Physical Science: Big Bang Theory (Kobd)
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About Big Bang Theory , Big Bang Nucleusynthesis , Big Bang Reactions , Radioactive Particles and Pieces of Evidence Supporting Big Bang Theory.
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Big bang theory
The Big Bang theory proposes that the universe began around 13.7 billion years ago as a tiny, infinitely dense point that exploded outward. It then rapidly expanded and cooled over the next few minutes, forming the light atoms of hydrogen and helium. Over millions of years, gravity caused matter to accumulate into galaxies, stars, and other celestial bodies. Predictions of the Big Bang theory have been confirmed by observations that galaxies are moving away from each other, the discovery of cosmic microwave background radiation, and the composition of the universe matching what would be expected from a hot, dense initial state. The universe continues to expand today.
The Big Bang
Contents
The Big Bang Theory
The Big Bang Phase
Expanding Universe
Testing Big Bang Model
Dark matter & Dark energy
Evidence of dark matter
After time period of Big Bang
Life cycle of star
Earth Science Astronomy - The big bang theory
The Big Bang occurred approximately 13.7 billion years ago from a single point that contained all matter and energy. Within the first 3 minutes, the universe expanded from the size of an atom to larger than a grapefruit as energy froze into matter. Over hundreds of thousands of years, the first atoms formed, mostly hydrogen and helium. Stars and galaxies began to take shape between 200-400 million years. Our solar system formed 4.6 billion years ago. Evidence for the Big Bang includes the expansion of the universe, cosmic background radiation, quasars, radioactive decay rates, and observations of stellar formation and distances.
Astronomy big bang theory
The Big Bang Theory proposes that the observable universe began around 13.8 billion years ago as the primordial universe exploded from an initial extremely hot, dense point. According to the theory, the universe has been expanding ever since. Evidence for the theory includes the observation that other galaxies are moving away from our own, remnants of cosmic microwave background radiation dating to 380,000 years after the explosion, and abundances of light elements like hydrogen and helium matching predictions of nuclear fusion in the early universe. The theory was first proposed by a Belgian priest in the 1920s and gained support from later astronomical observations and discoveries.
The big bang project
The document discusses the Big Bang theory, which proposes that the universe began approximately 13.7 billion years ago in an explosion from a single point of nearly infinite energy density and has been expanding ever since. Evidence for this theory includes Hubble's law of galaxy redshifts, the cosmic microwave background radiation, and abundances of light elements like hydrogen and helium. The early universe is described in different eras from the Planck era through nucleosynthesis and recombination. Inflation is proposed to have rapidly expanded the universe within the first fraction of a second. The Big Bang theory continues to be refined as new evidence is discovered.
The Big Bang
The document discusses the origins and evolution of the universe according to the Big Bang theory. It describes how the universe began as a singularity that rapidly expanded in an inflationary period, creating the hydrogen, helium, and other elements that now make up the cosmos. It discusses how stars formed from hydrogen and later exploded, seeding the universe with heavier elements. The theory was initially resisted but gained support over time from evidence like Hubble's discovery of redshift and the cosmic microwave background radiation.
Formation Of The Universe 2007
The Big Bang Theory proposes that all matter and energy in the universe was originally concentrated in a single point which exploded approximately 13.7 billion years ago, shooting matter and energy out in all directions. Evidence that supports the Big Bang Theory includes cosmic microwave background radiation detected everywhere and nearly all galaxies moving away from us. While some alternative theories have been proposed, most support the general framework of the Big Bang Theory, such as inflationary theory and the plateau theory. The steady state theory and plasma theory are among the few alternatives that refute the Big Bang Theory.
The big bang theory
The document summarizes the Big Bang theory, which proposes that approximately 13.8 billion years ago the observable universe was extremely hot and dense and has been expanding and cooling ever since. It provides evidence for this theory, including the cosmic microwave background radiation, Hubble's discovery of the expansion of the universe, and the abundance of light elements produced in the early universe. It also notes some problems with the theory, such as uneven distribution of matter, and possibilities for the ultimate fate of the universe.
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Big bang theory
The Big Bang theory proposes that the universe began around 13.7 billion years ago as a tiny, infinitely dense point that exploded outward. It then rapidly expanded and cooled over the next few minutes, forming the light atoms of hydrogen and helium. Over millions of years, gravity caused matter to accumulate into galaxies, stars, and other celestial bodies. Predictions of the Big Bang theory have been confirmed by observations that galaxies are moving away from each other, the discovery of cosmic microwave background radiation, and the composition of the universe matching what would be expected from a hot, dense initial state. The universe continues to expand today.
The Big Bang
Contents
The Big Bang Theory
The Big Bang Phase
Expanding Universe
Testing Big Bang Model
Dark matter & Dark energy
Evidence of dark matter
After time period of Big Bang
Life cycle of star
Earth Science Astronomy - The big bang theory
The Big Bang occurred approximately 13.7 billion years ago from a single point that contained all matter and energy. Within the first 3 minutes, the universe expanded from the size of an atom to larger than a grapefruit as energy froze into matter. Over hundreds of thousands of years, the first atoms formed, mostly hydrogen and helium. Stars and galaxies began to take shape between 200-400 million years. Our solar system formed 4.6 billion years ago. Evidence for the Big Bang includes the expansion of the universe, cosmic background radiation, quasars, radioactive decay rates, and observations of stellar formation and distances.
Astronomy big bang theory
The Big Bang Theory proposes that the observable universe began around 13.8 billion years ago as the primordial universe exploded from an initial extremely hot, dense point. According to the theory, the universe has been expanding ever since. Evidence for the theory includes the observation that other galaxies are moving away from our own, remnants of cosmic microwave background radiation dating to 380,000 years after the explosion, and abundances of light elements like hydrogen and helium matching predictions of nuclear fusion in the early universe. The theory was first proposed by a Belgian priest in the 1920s and gained support from later astronomical observations and discoveries.
The big bang project
The document discusses the Big Bang theory, which proposes that the universe began approximately 13.7 billion years ago in an explosion from a single point of nearly infinite energy density and has been expanding ever since. Evidence for this theory includes Hubble's law of galaxy redshifts, the cosmic microwave background radiation, and abundances of light elements like hydrogen and helium. The early universe is described in different eras from the Planck era through nucleosynthesis and recombination. Inflation is proposed to have rapidly expanded the universe within the first fraction of a second. The Big Bang theory continues to be refined as new evidence is discovered.
The Big Bang
The document discusses the origins and evolution of the universe according to the Big Bang theory. It describes how the universe began as a singularity that rapidly expanded in an inflationary period, creating the hydrogen, helium, and other elements that now make up the cosmos. It discusses how stars formed from hydrogen and later exploded, seeding the universe with heavier elements. The theory was initially resisted but gained support over time from evidence like Hubble's discovery of redshift and the cosmic microwave background radiation.
Formation Of The Universe 2007
The Big Bang Theory proposes that all matter and energy in the universe was originally concentrated in a single point which exploded approximately 13.7 billion years ago, shooting matter and energy out in all directions. Evidence that supports the Big Bang Theory includes cosmic microwave background radiation detected everywhere and nearly all galaxies moving away from us. While some alternative theories have been proposed, most support the general framework of the Big Bang Theory, such as inflationary theory and the plateau theory. The steady state theory and plasma theory are among the few alternatives that refute the Big Bang Theory.
The big bang theory
The document summarizes the Big Bang theory, which proposes that approximately 13.8 billion years ago the observable universe was extremely hot and dense and has been expanding and cooling ever since. It provides evidence for this theory, including the cosmic microwave background radiation, Hubble's discovery of the expansion of the universe, and the abundance of light elements produced in the early universe. It also notes some problems with the theory, such as uneven distribution of matter, and possibilities for the ultimate fate of the universe.
The big bang theory (1)
The Big Bang Theory describes how the universe expanded from an initial extremely hot and dense state approximately 13.7 billion years ago. As the universe rapidly expanded and cooled, simple subatomic particles formed, eventually combining to create the first atoms, mostly hydrogen and helium. Over billions of years, gravity caused clouds of these primordial elements to collapse and form the first stars and galaxies. Astronomical observations and mathematical models support this theory, including the cosmic microwave background radiation, Hubble's Law of galaxy redshifts, and the abundance of light elements found throughout the universe. While many aspects of the Big Bang Theory are well established, questions remain about what preceded this event and the ultimate fate of the expanding universe.
Big bang theory2
The Big Bang theory proposes that the universe began approximately 13.7 billion years ago from the violent expansion of space and time starting from a state of extreme density and high temperature. Evidence for this theory includes the expansion of the universe, the cosmic microwave background radiation, and the relative abundance of light elements like hydrogen and helium. The theory is supported by observations from the COBE satellite which mapped the cosmic microwave background radiation and provided insights into the early universe shortly after the Big Bang. There are several hypotheses for the long-term future of the universe depending on whether its overall density exceeds or falls below the critical density level.
The big band theory
The Big Bang Theory describes how the universe began approximately 13.7 billion years ago from an extremely hot and dense state. As the universe rapidly expanded and cooled, simple subatomic particles formed and then combined to create the first atoms, which allowed light to travel freely. Observational evidence from the cosmic microwave background radiation and the abundance of light elements support the Big Bang Theory as the leading explanation for the origin and evolution of the known universe. Alternative models have been proposed but the Big Bang remains the prevailing cosmological model according to modern physics.
Thebigbangtheory
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Big Bang Theory
The Big Bang theory proposes that the universe began as an extremely hot and dense singularity around 13.75 billion years ago and has been expanding ever since. It is supported by evidence such as Hubble's Law that galaxies are moving away from us and the discovery of cosmic microwave background radiation, which is leftover radiation from the early universe. Some criticisms of the theory are that it does not fully explain the formation of structures like galaxies. The theory also depends on assumptions about the universality of physical laws and the cosmological principle.
The bigbang - theory!
The Big Bang theory developed from early observations of the structure and expansion of the universe. In 1912, Vesto Slipher measured the first Doppler shift of a spiral galaxy, finding that galaxies were receding from Earth, though he did not grasp the cosmological implications. Later, Hubble discovered this expansion, now known as Hubble's Law. Over long periods, small density fluctuations in the early universe grew via gravity to form all current astronomical structures. Major evidence for the Big Bang includes the expansion of the universe, cosmic microwave background radiation, and abundances of light elements formed in the early hot dense phases. Pioneering scientists who contributed include Einstein, Friedmann, and Hubble.
Big Bang 1
The document discusses the Big Bang theory, which proposes that the observable universe expanded from an initial extremely hot and dense singularity around 13.8 billion years ago. It describes how the Big Bang originated from a tiny, dense point that exploded, causing galaxies to expand outward. Observational evidence that supports the Big Bang theory includes the discovery of cosmic microwave background radiation and primordial elements like helium and deuterium in ancient stars and distant reaches of the universe. The document also notes that the Big Bang theory is constantly revised as new evidence and theories emerge.
Courtney Big Bang Theory
The document summarizes the Big Bang theory, which proposes that approximately 13.7 billion years ago, the entire observable universe was concentrated into a very hot and dense single point that suddenly expanded. As it expanded, the universe cooled and matter formed, eventually coalescing through gravity to create stars, galaxies, and other celestial bodies. Scientists know this occurred because the universe is still expanding today and the abundance of elements like helium match predictions of nuclear fusion in the hot early universe. The discovery of redshift also supported the expansion of the universe since the wavelength of light from distant galaxies stretches as space expands. Astronomer Edwin Hubble helped establish the Big Bang theory through his discovery that galaxies are moving away from Earth at speeds proportional to their distance
The Big Bang Theory
The document summarizes the history and development of the Big Bang theory. It describes how discoveries in astronomy and physics have shown that the universe started approximately 13.8 billion years ago from an infinitely dense and hot singularity. It then explains the three phases of the early universe and some of the scientists like Einstein, Friedman, Hubble, and Lemaître who contributed to establishing the theory. Finally, it discusses some evidence that supports the Big Bang theory like the discovery of the cosmic microwave background radiation and some continuing problems and areas of research.
Big Bang Theory Astronomy Lesson PowerPoint
This PowerPoint is one small part of the Astronomy Topics unit from www.sciencepowerpoint.com. This unit consists of a five part 3000+ slide PowerPoint roadmap, 12 page bundled homework package, modified homework, detailed answer keys, 8 pages of unit notes for students who may require assistance, follow along worksheets, and many review games. The homework and lesson notes chronologically follow the PowerPoint slideshow. The answer keys and unit notes are great for support professionals. The activities and discussion questions in the slideshow and meaningful. The PowerPoint includes built-in instructions, visuals, and follow up questions. Also included are critical class notes (color coded red), project ideas, video links, and review games. This unit also includes four PowerPoint review games (110+ slides each with Answers), 38+ video links, lab handouts, activity sheets, rubrics, materials list, templates, guides, and much more. Also included is a 190 slide first day of school PowerPoint presentation. Teaching Duration = 5+ weeks. Areas of Focus in the Astronomy Topics Unit: The Solar System and the Sun, Order of the Planets, Our Sun, Life Cycle of a Star, Size of Stars, Solar Eclipse, Lunar Eclipse, The Inner Planets, Mercury, Venus, Earth, Moon, Craters, Tides, Phases of the Moon, Mars and Moons, Rocketry, Asteroid Belt, NEOs, The Torino Scale, The Outer Planets and Gas Giants, Jupiter / Moons, Saturn / Moons, Uranus / Moons, Neptune / Moons, Pluto's Demotion, The Kuiper Belt, Oort Cloud, Comets / Other, Beyond the Solar System, Types of Galaxies, Blackholes, Extrasolar Planets, The Big Bang, Dark Matter, Dark Energy, The Special Theory of Relativity, Hubble Space Telescope, Constellations, Spacetime and much more. If you have any questions please feel free to contact me. Thanks again and best wishes. Sincerely, Ryan Murphy M.Ed www.sciencepowerpoint@gmail.com
The Big Bang project (astronomy) (3)
The document discusses the Big Bang theory, which proposes that the universe began approximately 13.7 billion years ago in an explosion from a single point of nearly infinite energy density and has been expanding ever since. Evidence for this theory includes Hubble's law of galaxy redshifts, the cosmic microwave background radiation, and abundances of light elements like hydrogen and helium. The early universe is described in different eras from the Planck era through nucleosynthesis and recombination. Inflation is proposed to have rapidly expanded the universe within the first fraction of a second. The Big Bang theory continues to be refined as new evidence is discovered.
Big Bang
The document discusses evidence that supports the Big Bang theory of the origin and expansion of the universe. It explains that background radiation from the early universe, the observation of galaxies moving away from Earth, and a temperature of about 3 degrees above absolute zero provide observational evidence for the Big Bang. It also outlines two possible futures for the universe - either continuing to expand indefinitely or eventually collapsing back on itself and undergoing another Big Bang.
The big bang theory
The document summarizes the Big Bang theory, which proposes that the universe began approximately 13-15 billion years ago from the violent expansion of space-time known as the Big Bang. It describes how initially the universe was very hot and dense but expanded and cooled over time, allowing the formation of subatomic particles, stars, and galaxies. It discusses evidence that supports the Big Bang theory, such as the discovery of cosmic microwave background radiation and abundances of light elements found throughout the universe.
Big Bang Theory
Big bang theory
Formation of stars
Formation of galaxies
Expansions of space
Birth of solar system
Chapter 19 – formation of the universe
The document summarizes theories about the formation and evolution of the universe:
1) The Big Bang theory proposes that approximately 13.8 billion years ago, all matter in the observable universe was condensed into an incredibly dense singularity that suddenly exploded, causing the universe to expand rapidly and form light elements.
2) As the universe expanded, gravity caused matter to condense into the first stars and galaxies. Observations of redshifts in light from distant galaxies provide evidence the universe continues expanding today.
3) Current theories suggest three possible ultimate fates for the universe depending on its overall density - continued expansion, eventual contraction, or a stable flat state.
Big bang
1) Newton originally proposed a static, infinite universe that had always existed. However, this did not explain why the night sky is dark.
2) The Big Bang theory postulates that the universe began in a hot, dense state roughly 13.7 billion years ago and has been expanding ever since. Evidence for this includes the discovery of the cosmic microwave background radiation and redshift of galaxies.
3) Inflation theory proposes that the early universe expanded exponentially for a brief period, solving issues with the horizon and flatness problems and accounting for the seeds of structure in the universe.
Big Bang Theorychandler
The Big Bang Theory attempts to explain how the universe was created around 13.8 billion years ago from an infinitely dense and hot singularity. It holds that all matter in the observable universe was compressed into a tiny point that began rapidly expanding and cooling. Two key scientists who developed it were Hubble and Lemaitre. Black holes are theorized to be the power behind the Big Bang, as their intense gravity can compress matter into a single point, and could trigger another "Big Bang" by consuming all matter into a single black hole that causes re-expansion. The theory remains controversial on questions like what caused or predated the initial expansion.
The Big Bang Theory- Lyndsey and Ali
The document discusses the Big Bang Theory, which proposes that approximately 15 billion years ago, all matter in the observable universe was concentrated into a very hot and dense point, which exploded rapidly, causing the universe to expand and cool. It provides evidence that supports the theory, such as the discovery of cosmic microwave background radiation and the observation of redshift. However, it also notes criticisms of the theory, including that it does not fully explain the formation of clusters in the universe. The document concludes by providing some random facts about what the universe may have looked like shortly after the Big Bang.
The big bang theory
This document discusses scientific theories and the Big Bang Theory. It provides definitions of key terms like scientific theory, fact, and law. It explains that a scientific theory is well-supported by evidence but is not absolute fact. The document then summarizes the development of the Big Bang Theory, including contributions from Einstein, Friedman, and Hubble. It describes how evidence from the cosmic microwave background and galaxy redshifts supports the idea that the universe expanded from a hot, dense initial state nearly 14 billion years ago.
Big Bang Theory
The document discusses the Big Bang theory and provides evidence that supports it. It describes how Belgian cosmologist Georges Lemaître first proposed the theory in the 1920s that the universe expanded from an initial hot, dense state. It then gives three key pieces of observational evidence: 1) Hubble's discovery of the expansion of the universe, 2) the cosmic microwave background radiation discovered in 1964, and 3) primordial nucleosynthesis, which produced the light elements in the early universe. The document aims to clarify misconceptions about the Big Bang theory and explain what it describes.
Presentation History of the Universe_p.ppt
The document provides an overview of the prevailing Big Bang theory of the origin and evolution of the universe. It describes how approximately 13.7 billion years ago, all matter, energy, space, and time were compressed into a singularity which then began rapidly expanding. As it expanded and cooled, the fundamental forces separated and various phases occurred, including the formation of hydrogen, helium, stars, galaxies, and eventually life on Earth. The Big Bang theory is considered the best explanation for observations of the composition and structure of the universe.
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What's hot
The big bang theory (1)
The Big Bang Theory describes how the universe expanded from an initial extremely hot and dense state approximately 13.7 billion years ago. As the universe rapidly expanded and cooled, simple subatomic particles formed, eventually combining to create the first atoms, mostly hydrogen and helium. Over billions of years, gravity caused clouds of these primordial elements to collapse and form the first stars and galaxies. Astronomical observations and mathematical models support this theory, including the cosmic microwave background radiation, Hubble's Law of galaxy redshifts, and the abundance of light elements found throughout the universe. While many aspects of the Big Bang Theory are well established, questions remain about what preceded this event and the ultimate fate of the expanding universe.
Big bang theory2
The Big Bang theory proposes that the universe began approximately 13.7 billion years ago from the violent expansion of space and time starting from a state of extreme density and high temperature. Evidence for this theory includes the expansion of the universe, the cosmic microwave background radiation, and the relative abundance of light elements like hydrogen and helium. The theory is supported by observations from the COBE satellite which mapped the cosmic microwave background radiation and provided insights into the early universe shortly after the Big Bang. There are several hypotheses for the long-term future of the universe depending on whether its overall density exceeds or falls below the critical density level.
The big band theory
The Big Bang Theory describes how the universe began approximately 13.7 billion years ago from an extremely hot and dense state. As the universe rapidly expanded and cooled, simple subatomic particles formed and then combined to create the first atoms, which allowed light to travel freely. Observational evidence from the cosmic microwave background radiation and the abundance of light elements support the Big Bang Theory as the leading explanation for the origin and evolution of the known universe. Alternative models have been proposed but the Big Bang remains the prevailing cosmological model according to modern physics.
Thebigbangtheory
Tis iw ekf wer fkwje fkq wfkqjw dqjwdkqw dkqj aje f wef wejf wke fkwe fkw efkw efkw ekjf wkje fwke fwkjefkwe f
Big Bang Theory
The Big Bang theory proposes that the universe began as an extremely hot and dense singularity around 13.75 billion years ago and has been expanding ever since. It is supported by evidence such as Hubble's Law that galaxies are moving away from us and the discovery of cosmic microwave background radiation, which is leftover radiation from the early universe. Some criticisms of the theory are that it does not fully explain the formation of structures like galaxies. The theory also depends on assumptions about the universality of physical laws and the cosmological principle.
The bigbang - theory!
The Big Bang theory developed from early observations of the structure and expansion of the universe. In 1912, Vesto Slipher measured the first Doppler shift of a spiral galaxy, finding that galaxies were receding from Earth, though he did not grasp the cosmological implications. Later, Hubble discovered this expansion, now known as Hubble's Law. Over long periods, small density fluctuations in the early universe grew via gravity to form all current astronomical structures. Major evidence for the Big Bang includes the expansion of the universe, cosmic microwave background radiation, and abundances of light elements formed in the early hot dense phases. Pioneering scientists who contributed include Einstein, Friedmann, and Hubble.
Big Bang 1
The document discusses the Big Bang theory, which proposes that the observable universe expanded from an initial extremely hot and dense singularity around 13.8 billion years ago. It describes how the Big Bang originated from a tiny, dense point that exploded, causing galaxies to expand outward. Observational evidence that supports the Big Bang theory includes the discovery of cosmic microwave background radiation and primordial elements like helium and deuterium in ancient stars and distant reaches of the universe. The document also notes that the Big Bang theory is constantly revised as new evidence and theories emerge.
Courtney Big Bang Theory
The document summarizes the Big Bang theory, which proposes that approximately 13.7 billion years ago, the entire observable universe was concentrated into a very hot and dense single point that suddenly expanded. As it expanded, the universe cooled and matter formed, eventually coalescing through gravity to create stars, galaxies, and other celestial bodies. Scientists know this occurred because the universe is still expanding today and the abundance of elements like helium match predictions of nuclear fusion in the hot early universe. The discovery of redshift also supported the expansion of the universe since the wavelength of light from distant galaxies stretches as space expands. Astronomer Edwin Hubble helped establish the Big Bang theory through his discovery that galaxies are moving away from Earth at speeds proportional to their distance
The Big Bang Theory
The document summarizes the history and development of the Big Bang theory. It describes how discoveries in astronomy and physics have shown that the universe started approximately 13.8 billion years ago from an infinitely dense and hot singularity. It then explains the three phases of the early universe and some of the scientists like Einstein, Friedman, Hubble, and Lemaître who contributed to establishing the theory. Finally, it discusses some evidence that supports the Big Bang theory like the discovery of the cosmic microwave background radiation and some continuing problems and areas of research.
Big Bang Theory Astronomy Lesson PowerPoint
This PowerPoint is one small part of the Astronomy Topics unit from www.sciencepowerpoint.com. This unit consists of a five part 3000+ slide PowerPoint roadmap, 12 page bundled homework package, modified homework, detailed answer keys, 8 pages of unit notes for students who may require assistance, follow along worksheets, and many review games. The homework and lesson notes chronologically follow the PowerPoint slideshow. The answer keys and unit notes are great for support professionals. The activities and discussion questions in the slideshow and meaningful. The PowerPoint includes built-in instructions, visuals, and follow up questions. Also included are critical class notes (color coded red), project ideas, video links, and review games. This unit also includes four PowerPoint review games (110+ slides each with Answers), 38+ video links, lab handouts, activity sheets, rubrics, materials list, templates, guides, and much more. Also included is a 190 slide first day of school PowerPoint presentation. Teaching Duration = 5+ weeks. Areas of Focus in the Astronomy Topics Unit: The Solar System and the Sun, Order of the Planets, Our Sun, Life Cycle of a Star, Size of Stars, Solar Eclipse, Lunar Eclipse, The Inner Planets, Mercury, Venus, Earth, Moon, Craters, Tides, Phases of the Moon, Mars and Moons, Rocketry, Asteroid Belt, NEOs, The Torino Scale, The Outer Planets and Gas Giants, Jupiter / Moons, Saturn / Moons, Uranus / Moons, Neptune / Moons, Pluto's Demotion, The Kuiper Belt, Oort Cloud, Comets / Other, Beyond the Solar System, Types of Galaxies, Blackholes, Extrasolar Planets, The Big Bang, Dark Matter, Dark Energy, The Special Theory of Relativity, Hubble Space Telescope, Constellations, Spacetime and much more. If you have any questions please feel free to contact me. Thanks again and best wishes. Sincerely, Ryan Murphy M.Ed www.sciencepowerpoint@gmail.com
The Big Bang project (astronomy) (3)
The document discusses the Big Bang theory, which proposes that the universe began approximately 13.7 billion years ago in an explosion from a single point of nearly infinite energy density and has been expanding ever since. Evidence for this theory includes Hubble's law of galaxy redshifts, the cosmic microwave background radiation, and abundances of light elements like hydrogen and helium. The early universe is described in different eras from the Planck era through nucleosynthesis and recombination. Inflation is proposed to have rapidly expanded the universe within the first fraction of a second. The Big Bang theory continues to be refined as new evidence is discovered.
Big Bang
The document discusses evidence that supports the Big Bang theory of the origin and expansion of the universe. It explains that background radiation from the early universe, the observation of galaxies moving away from Earth, and a temperature of about 3 degrees above absolute zero provide observational evidence for the Big Bang. It also outlines two possible futures for the universe - either continuing to expand indefinitely or eventually collapsing back on itself and undergoing another Big Bang.
The big bang theory
The document summarizes the Big Bang theory, which proposes that the universe began approximately 13-15 billion years ago from the violent expansion of space-time known as the Big Bang. It describes how initially the universe was very hot and dense but expanded and cooled over time, allowing the formation of subatomic particles, stars, and galaxies. It discusses evidence that supports the Big Bang theory, such as the discovery of cosmic microwave background radiation and abundances of light elements found throughout the universe.
Big Bang Theory
Big bang theory
Formation of stars
Formation of galaxies
Expansions of space
Birth of solar system
Chapter 19 – formation of the universe
The document summarizes theories about the formation and evolution of the universe:
1) The Big Bang theory proposes that approximately 13.8 billion years ago, all matter in the observable universe was condensed into an incredibly dense singularity that suddenly exploded, causing the universe to expand rapidly and form light elements.
2) As the universe expanded, gravity caused matter to condense into the first stars and galaxies. Observations of redshifts in light from distant galaxies provide evidence the universe continues expanding today.
3) Current theories suggest three possible ultimate fates for the universe depending on its overall density - continued expansion, eventual contraction, or a stable flat state.
Big bang
1) Newton originally proposed a static, infinite universe that had always existed. However, this did not explain why the night sky is dark.
2) The Big Bang theory postulates that the universe began in a hot, dense state roughly 13.7 billion years ago and has been expanding ever since. Evidence for this includes the discovery of the cosmic microwave background radiation and redshift of galaxies.
3) Inflation theory proposes that the early universe expanded exponentially for a brief period, solving issues with the horizon and flatness problems and accounting for the seeds of structure in the universe.
Big Bang Theorychandler
The Big Bang Theory attempts to explain how the universe was created around 13.8 billion years ago from an infinitely dense and hot singularity. It holds that all matter in the observable universe was compressed into a tiny point that began rapidly expanding and cooling. Two key scientists who developed it were Hubble and Lemaitre. Black holes are theorized to be the power behind the Big Bang, as their intense gravity can compress matter into a single point, and could trigger another "Big Bang" by consuming all matter into a single black hole that causes re-expansion. The theory remains controversial on questions like what caused or predated the initial expansion.
The Big Bang Theory- Lyndsey and Ali
The document discusses the Big Bang Theory, which proposes that approximately 15 billion years ago, all matter in the observable universe was concentrated into a very hot and dense point, which exploded rapidly, causing the universe to expand and cool. It provides evidence that supports the theory, such as the discovery of cosmic microwave background radiation and the observation of redshift. However, it also notes criticisms of the theory, including that it does not fully explain the formation of clusters in the universe. The document concludes by providing some random facts about what the universe may have looked like shortly after the Big Bang.
The big bang theory
This document discusses scientific theories and the Big Bang Theory. It provides definitions of key terms like scientific theory, fact, and law. It explains that a scientific theory is well-supported by evidence but is not absolute fact. The document then summarizes the development of the Big Bang Theory, including contributions from Einstein, Friedman, and Hubble. It describes how evidence from the cosmic microwave background and galaxy redshifts supports the idea that the universe expanded from a hot, dense initial state nearly 14 billion years ago.
Big Bang Theory
The document discusses the Big Bang theory and provides evidence that supports it. It describes how Belgian cosmologist Georges Lemaître first proposed the theory in the 1920s that the universe expanded from an initial hot, dense state. It then gives three key pieces of observational evidence: 1) Hubble's discovery of the expansion of the universe, 2) the cosmic microwave background radiation discovered in 1964, and 3) primordial nucleosynthesis, which produced the light elements in the early universe. The document aims to clarify misconceptions about the Big Bang theory and explain what it describes.
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Similar to Physical Science: Big Bang Theory (Kobd)
Presentation History of the Universe_p.ppt
The document provides an overview of the prevailing Big Bang theory of the origin and evolution of the universe. It describes how approximately 13.7 billion years ago, all matter, energy, space, and time were compressed into a singularity which then began rapidly expanding. As it expanded and cooled, the fundamental forces separated and various phases occurred, including the formation of hydrogen, helium, stars, galaxies, and eventually life on Earth. The Big Bang theory is considered the best explanation for observations of the composition and structure of the universe.
Physical Science 1
1. Stellar nucleosynthesis explains how elements heavier than lithium were formed through nuclear reactions in stars and stellar explosions.
2. Big Bang nucleosynthesis formed the light elements hydrogen, helium, and lithium in the first few minutes after the Big Bang through fusion reactions as the universe rapidly expanded and cooled.
3. Further evidence for the Big Bang model includes the cosmic microwave background radiation and relative abundances of light elements observed today which match predictions from Big Bang nucleosynthesis.
Lesson-1-Big-Bang-Nucleosynthesis.pptx slmdlksfewjfejfoiejrfoi
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Lesson 1 - Big Bang Nucleosynthesis.pptx
1) Atoms are the smallest units that make up all matter and are composed of subatomic particles like protons, neutrons, and electrons.
2) Elements are pure substances represented by a specific type of atom, which can have different isotopes that vary in atomic mass due to differing numbers of neutrons.
3) The Big Bang Theory explains the origin and expansion of the early universe from an incredibly dense and hot singularity around 13.8 billion years ago, resulting in the formation of light elements like hydrogen and helium through nucleosynthesis.
Chapter 1 origin of the universe
This document provides an overview of theories on the origin of the universe and the solar system. It begins by defining important terms like dark matter, dark energy, and theories. It then discusses creation myths from different cultures and the biblical creation story in Genesis. The majority of the document focuses on explaining the Big Bang Theory, including the inflation epoch, events after the Big Bang like formation of the basic elements, and evidence that supports it like galaxy redshifts and the cosmic microwave background. It also briefly outlines other theories like the steady state theory, string theory, and M-theory. The second half summarizes theories of solar system formation like the nebula hypothesis and compares terrestrial and Jovian planets.
Origin of the Universe and the Solar System
The most widely accepted theory of planetary formation, known as the nebular hypothesis, maintains that 4.6 billion years ago, the Solar System formed from the gravitational collapse of a giant molecular cloud which was light years across.
Physical Science Module 1.pptx
The document discusses how elements are formed in the universe through three main nuclear reactions: nucleosynthesis during the Big Bang formed light elements like hydrogen and helium, nuclear fusion in stars forms heavier elements up to iron, and neutron capture reactions during supernovae explosions produce elements heavier than iron. These nuclear reactions require extremely high temperatures and pressures to fuse atomic nuclei together or allow neutron capture, conditions only found in the early universe, inside stars and supernovae. Element formation relies on balancing the number of protons and neutrons in atomic nuclei to achieve stable configurations through fusion, fission, radioactive decay, or transmutation into other elements.
Physical Science: Formation of Light Elements in Big Bang Theory
The document discusses the Big Bang Theory and how it explains the formation of light elements in the early universe. According to the theory, the universe began in an extremely hot and dense state around 13.7 billion years ago and has been expanding and cooling ever since. During the first few minutes after the Big Bang, protons, neutrons, and light atomic nuclei like hydrogen, helium, and lithium formed. Specifically, about 75% of the normal matter was hydrogen, 25% was helium, and trace amounts of deuterium and lithium were produced in this early nuclear fusion process.
1universe hp
The document provides information about the universe and solar system. It discusses:
- The universe is approximately 13.8 billion years old and consists of dark energy, dark matter, and normal matter.
- The solar system formed from a collapsing cloud of gas and dust around the sun approximately 4.6 billion years ago. Planetesimals collided and accreted to form the planets.
- The current model is that the sun and planets formed from a protoplanetary disk, with collisions forming the terrestrial planets close to the sun and condensation forming the gas giants further out.
1.1-The-Big-Bang-Theory-and-the-Formation-of-Light-Elements.pptx
1. The document discusses the Big Bang theory and the formation of light elements during the early universe. It describes how nucleosynthesis produced hydrogen, helium, and small amounts of lithium and beryllium from nuclear fusion of protons and neutrons in the first few minutes after the Big Bang.
2. The correlation between predicted and observed abundances of hydrogen and helium provided major evidence for the Big Bang theory. Measurements of unprocessed gas in parts of the universe and meteorites confirmed the predicted abundances.
3. Big Bang nucleosynthesis involved nuclear fusion reactions that combined protons and neutrons into light atomic nuclei like deuterium and helium-4 isotopes over time as the universe rapidly expanded
Big Bang & Nuclear Fusion PowerPoint Presentation
The document describes the evolution of the universe from the Big Bang to the present. It began as an infinitely dense singularity that expanded rapidly. Within the first second, quarks and radiation formed. Over millions of years, the forces separated, inflation occurred, and light elements like hydrogen and helium formed. Eventually, 300,000 years after the Big Bang, the universe cooled enough for electrons to form stable orbits around atomic nuclei, allowing light to travel freely.
1.BIG-BANG-THEORY-AND-FORMATION-OF-LIGHT-ELEMENTS.pptx
The document discusses the evolution of the universe and the formation of elements. It describes how the Big Bang Theory explains that the early universe was once a dense, hot ball that rapidly expanded. Within the first three minutes, nuclear reactions formed the lightest elements, including hydrogen, helium, and lithium. Heavier elements were later produced through stellar nucleosynthesis inside stars, where nuclear fusion occurred under extreme heat and pressure. Elements up to iron were created this way before the stars exploded as supernovae, which then formed even heavier elements through fusion and neutron capture processes.
big bang theory.pptx
a lesson in grade 11 earth and life sciences. it also discuses the nature of science defining law, theory, hypothesis and the first competency which is the Big Bang theory, its evidences and other theories on the origin of the universe such as the steady state theory and creationism.
The Big Bang Theory
1) The presentation discusses the Big Bang theory, including its key events and timeline from the initial singularity to the formation of structure in the universe.
2) It provides evidence for the Big Bang such as Hubble's discovery of galaxy redshifts and the cosmic microwave background radiation.
3) Some outstanding problems with the theory are discussed like the asymmetry of matter and antimatter and the unknown nature of dark matter and dark energy.
Big Bang.ppt
The Big Bang Theory postulates that 13.8 billion years ago, the universe began as a tiny, dense, and hot mass that expanded over time to its present state. Evidence for this includes the cosmic microwave background radiation and redshift of galaxies. The theory has largely replaced earlier non-scientific or disproven theories on the origin of the universe. It explains the evolution of the early universe from the initial hot dense state through nucleosynthesis, formation of stars and galaxies, and ongoing expansion driven by dark energy.
Big Bang.ppt
The Big Bang Theory postulates that 13.8 billion years ago, the universe began as a tiny, dense, and hot mass that expanded over time to its present state. Evidence for this includes the cosmic microwave background radiation and redshift of galaxies. The theory has largely replaced earlier non-scientific or disproven theories on the origin of the universe. It explains the evolution of the early universe from the initial hot dense state through nucleosynthesis, formation of stars and galaxies, and ongoing expansion driven by dark energy.
earth-science-origin-of-the-earth (2).pptx
.arth-science-origin-of-the-earth (2).pptx
The four main ERAS are, from oldest to youngest: PreCambrian, Palaeozoic, Mesozoic and Cenozoic. Periods are a finer subdivision in the geological time scale.
Formation of Light Elements.
1. The document summarizes the key stages of the Big Bang theory, including the formation of the early light elements hydrogen and helium.
2. It describes how in the early universe, matter and antimatter annihilated each other, leaving an excess of matter. Nuclear fusion then formed the first atomic nuclei like deuterium and helium-3.
3. Eventually, hydrogen and helium nuclei combined to form the first stable atomic element, helium-4, accounting for about 25% of the elemental abundance we observe today.
Formation of Elements light and heavy in periodic table
1. The document discusses the Big Bang theory and stellar nucleosynthesis processes that formed light and heavier elements in the universe.
2. It explains that the Big Bang formed light elements like hydrogen and helium, while stars later fused these elements to create heavier ones through nuclear fusion reactions in their cores.
3. Stellar evolution involves stars evolving through different stages as they deplete hydrogen and fuse heavier elements, eventually ending as white dwarfs or exploding as supernovae to disperse newly formed elements into space.
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Physical Science: Big Bang Theory (Kobd)
- 2. Physical Science •the sciences concerned with the study of inanimate natural objects, including physics, chemistry,
- 3. Big Bang Theory •the most widely accepted explanation to the origin of the universe. •states that the universe developed 13.7 billion years ago from a very small, extremely dense, and hot state that expanded rapidly.
- 4. Big Bang Theory •this rapid expansion caused the universe to cool down and became less dense, forming new particles the – protons, neutron and
- 5. Big Bang Nucleusynthesis •is the process that creates new atomic nucleus from preexisting nucleons, primarily protons and
- 6. Nuclear Reactions •are processes in which a nucleus either combine with another nucleus (through nuclear fusion) or splits into smaller nuclei (through nuclear fission).
- 7. Nuclear Reactions •the processes involve the emission of energetic particles of an atom, a phenomenon known as radioactivity.
- 8. Radioactive Particles •Electron negative charge •Proton positive charge •Neutron no charge
- 9. Radioactive Particles • Alpha Particle high-speed particles consisting of 2 protons and 2 neutrons • Beta Particle high-speed electron • Gamma Ray high energy stream of protons
- 10. Pieces of Evidence Supporting Big Bang Theory •Occurrence of Red-shift.The light waves of cosmic bodies are stretched into low frequency red waves as they move away from an observer on Earth.
- 11. Hubble's Law •Expanding Universe.The distant galaxies we see in all directions are moving away from the Earth, as evidenced by their red shifts.
- 12. Pieces of Evidence Supporting Big Bang Theory •Scientists discovered that there are microwaves coming from every direction in space. Big BangTheory says this is energy created at the beginning of the universe, just after the Big Bang, and that has been travelling through
- 13. Pieces of Evidence Supporting Big Bang Theory •A satellite called COBE has mapped the background microwave radiation of the universe as we see it. Big Bang theorists are still working on the interpretation of this evidence.
- 14. Pieces of Evidence Supporting Big Bang Theory •abundance of light elements through nuclear fusion.