THE UNIVERSE LESSON
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This document provides images and descriptions of various celestial bodies in our solar system, including the barred spiral galaxy Ngc 2082, our Sun, the planets Mercury through Neptune, and Mars. Each section includes a short description of the celestial body and links to the NASA images being summarized.
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9 j gravity and space
1) Gravity is an attractive force that depends on the mass of objects and the distance between them. It affects anything with mass.
2) On Earth, gravitational field strength is 10N/kg. An object's weight is calculated by multiplying its mass by gravitational field strength. Some examples of weight calculations on Earth are provided.
3) When a rocket launches from Earth, the force needed to accelerate it decreases as it gains distance from Earth and loses mass by burning fuel, both of which decrease the gravitational force pulling it downwards.
Our solar system
Our solar system consists of the Sun and eight planets that orbit around it, along with dozens of moons and other objects. The four inner planets - Mercury, Venus, Earth, and Mars - are smaller rocky bodies. The four outer planets - Jupiter, Saturn, Uranus, and Neptune - are large gas giants. Pluto, originally the ninth planet, is now classified as a dwarf planet due to its small size. The planets have many differences in their characteristics, but all revolve around the Sun due to its strong gravitational pull.
Our solar system
Our solar system consists of the Sun and 8 planets including Earth and 7 other planets. The inner terrestrial planets Mercury, Venus, Earth and Mars are smaller and rocky. The outer gas giants Jupiter, Saturn, Uranus and Neptune are larger planets composed primarily of gas. Pluto, originally the 9th planet, is now classified as a dwarf planet due to its small size.
Satellites for Dummies
A satellite is an object in orbit around a celestial body. There are different types of orbits depending on factors like altitude and inclination. Low Earth orbit is commonly used for Earth observation, crewed spaceflight, and spy satellites due to being easy to reach. However, it has disadvantages like a small field of view and fast orbital decay. Polar and sun synchronous orbits are specifically designed for Earth observation as they maintain the same relationship with the sun, allowing comparable images over time. The future may involve large constellations of small satellites for various applications.
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Our solar system consists of the Sun and 8 planets including Earth and 7 other planets. The inner terrestrial planets Mercury, Venus, Earth and Mars are smaller and made of rock. The outer gas giants Jupiter, Saturn, Uranus and Neptune are much larger planets composed primarily of gases. Pluto, originally the 9th planet, is now classified as a dwarf planet due to its small size.
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This document discusses the solar system and includes the following key points:
1. The solar system is made up of various celestial objects that orbit the sun, including planets, moons, asteroids, and comets.
2. The sun is at the center and has the strongest gravitational pull. It is a massive ball of hot, glowing gas.
3. The document goes on to discuss topics like the earth's rotation, hemispheres, seasons, the moon's phases and eclipses.
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I used this Powerpoint as an example for a presentation I did on using Dukane projectors to teach STEM, and thought it might be useful to others.
Bill McIntosh
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Authorized Dukane/Convey Consultant
Phone :843-442-8888
Email :WKMcIntosh@Comcast.net
Twitter : @OtisTMcIntosh
SchoolVision Website on Facebook: https://www.facebook.com/WKMIII
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This document is a physics textbook section about the solar system and beyond. It contains information on topics like the rotation of the Earth and causes of day and night, seasons, the phases of the Moon, eclipses, and an overview of the planets in our solar system including their sizes, distances from the sun, temperatures, and other characteristics. Diagrams and activities are also included to help explain different concepts.
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1) Gravity is an attractive force that depends on the mass of objects and the distance between them. It affects anything with mass.
2) On Earth, gravitational field strength is 10N/kg. An object's weight is calculated by multiplying its mass by gravitational field strength. Some examples of weight calculations on Earth are provided.
3) When a rocket launches from Earth, the force needed to accelerate it decreases as it gains distance from Earth and loses mass by burning fuel, both of which decrease the gravitational force pulling it downwards.
Our solar system
Our solar system consists of the Sun and eight planets that orbit around it, along with dozens of moons and other objects. The four inner planets - Mercury, Venus, Earth, and Mars - are smaller rocky bodies. The four outer planets - Jupiter, Saturn, Uranus, and Neptune - are large gas giants. Pluto, originally the ninth planet, is now classified as a dwarf planet due to its small size. The planets have many differences in their characteristics, but all revolve around the Sun due to its strong gravitational pull.
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Our solar system consists of the Sun and 8 planets including Earth and 7 other planets. The inner terrestrial planets Mercury, Venus, Earth and Mars are smaller and rocky. The outer gas giants Jupiter, Saturn, Uranus and Neptune are larger planets composed primarily of gas. Pluto, originally the 9th planet, is now classified as a dwarf planet due to its small size.
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A satellite is an object in orbit around a celestial body. There are different types of orbits depending on factors like altitude and inclination. Low Earth orbit is commonly used for Earth observation, crewed spaceflight, and spy satellites due to being easy to reach. However, it has disadvantages like a small field of view and fast orbital decay. Polar and sun synchronous orbits are specifically designed for Earth observation as they maintain the same relationship with the sun, allowing comparable images over time. The future may involve large constellations of small satellites for various applications.
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Our solar system consists of the Sun and 8 planets including Earth and 7 other planets. The inner terrestrial planets Mercury, Venus, Earth and Mars are smaller and made of rock. The outer gas giants Jupiter, Saturn, Uranus and Neptune are much larger planets composed primarily of gases. Pluto, originally the 9th planet, is now classified as a dwarf planet due to its small size.
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This document discusses the solar system and includes the following key points:
1. The solar system is made up of various celestial objects that orbit the sun, including planets, moons, asteroids, and comets.
2. The sun is at the center and has the strongest gravitational pull. It is a massive ball of hot, glowing gas.
3. The document goes on to discuss topics like the earth's rotation, hemispheres, seasons, the moon's phases and eclipses.
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Bill McIntosh
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Authorized Dukane/Convey Consultant
Phone :843-442-8888
Email :WKMcIntosh@Comcast.net
Twitter : @OtisTMcIntosh
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The document summarizes the different layers that make up the Earth. It describes the crust, tectonic plates, mantle, outer core, and inner core. The crust is the outermost layer of the Earth and is made up of tectonic plates that move and interact, causing effects like earthquakes, tsunamis, and volcanoes. Below the crust is the mantle, which is hot rock that circulates in convection currents. In the center are the outer core of liquid iron and inner core of solid iron.
Layers of the earth
The document discusses the different layers that make up the Earth, including the crust, mantle, outer core, and inner core. It explains that below the crust lies the mantle, which is hot rock that flows in convection currents, and below that is the core that generates the Earth's magnetic field. Images and diagrams accompany the text to illustrate the various layers of the Earth and how tectonic plate movement can cause earthquakes, tsunamis, volcanoes and mountains.
Rapid disappearance of a warm dusty circumstellar disk
- The star TYC 8241 2652 1 was observed to have a factor of 30 decrease in mid-infrared dust emission over less than two years, indicating the rapid disappearance of warm, dusty material orbiting the star.
- Observations before 2009 showed significant mid-infrared excess emission, but 2010 observations and later showed the excess had reduced to barely detectable levels.
- No currently available physical model can satisfactorily explain these rapid changes, which suggest a phase of very rapid evolution of dusty planetary collision ejecta that had not been previously predicted or observed.
Astronomy Photographer of the Year 2014: winners announced
The Royal Observatory Greenwich announced winners of the 2014 Astronomy Photographer of the Year competition. British photographer James Woodend won first place for his photo of the aurora over a glacier lagoon. A variety of stunning photos were awarded, including images capturing nebulae, galaxies, solar phenomena, and a hybrid solar eclipse in Kenya. Winning photos were selected from over a thousand submissions and are on display at the Royal Observatory Greenwich.
The Science of Comet ISON
The document provides information about several comets that have been observed throughout history including Comet McNaught, Comet Lovejoy, Comet Hyakutake, Comet Hale-Bopp, Comet Holmes, Comet Pan-STARRS, and Comet Lemmon. It includes details about the apparent magnitude, year of observation, and credit for images of each comet. The document also discusses comet classification in ancient Chinese texts, provides examples of notable comets throughout history like Halley's Comet and Comet Shoemaker-Levy 9, and summarizes models of comet composition and structure like the dirty snowball model.
Amazing Pictures In Space
This Hubble Space Telescope image shows the dramatic nebula M1-67 surrounding the Wolf-Rayet star WR124. Hot clumps of gas are being ejected from the star at over 100,000 miles per hour into vast arcs and filaments of glowing gas. Though previously only detected spectroscopically, Hubble can directly image gas blobs 100 billion miles wide that are each about 30 times the mass of Earth. The star is ejecting mass violently during its short and transitional phase.
Cme final ppt (1)
Coronal mass ejections occur when the sun ejects plasma and electromagnetic radiation into space. They are caused by magnetic reconnection which releases energy stored in opposing magnetic fields. A typical CME may contain heavier elements and reaches speeds between 200-3200 km/s on average. CMEs can damage satellites and power grids on Earth by interfering with magnetic fields. The largest recorded CME was the Carrington Event of 1859 which disrupted telegraph networks. Scientists now monitor CMEs and try to protect technologies by turning systems off during potential impacts.
Planets Bkup Live
The document summarizes information about the planets in our solar system. It describes the four inner, terrestrial planets - Mercury, Venus, Earth, and Mars - and their small, rocky compositions. It then discusses the four outer, gas giant planets - Jupiter, Saturn, Uranus, and Neptune - noting their large sizes and gaseous compositions. It also mentions other bodies like asteroids, Pluto, and the Kuiper Belt.
Jovian Planets (2010)
1. The document provides information about the planet Jupiter and its moons. Jupiter is the largest planet in the solar system and has many moons, including the four largest Galilean moons - Io, Europa, Ganymede, and Callisto.
2. The Cassini spacecraft obtained images of Saturn and its rings and moons. Saturn has a vast ring system made of small particles of ice and rock. It has several large moons such as Titan, which has a thick atmosphere.
3. The document discusses the gas giant planets Jupiter and Saturn, their compositions, atmospheric features, rotations, magnetic fields, rings and moons as observed by spacecraft such as Galileo, Cassini, and Voyager.
Metlay geosci dwarfplanets-plutoupdate_epmo_22aug15
Suzanne Metlay. "Geosciences of Dwarf Planets: Pluto Update". Public talk at Estes Park Memorial Observatory (EPMO), Estes Park, Colorado, on 22 August 2015.
The contribution of the modern amateur.pdf
An amateur astronomer named Filipp Romanov has made several contributions to astronomy through self-education and observations using remote telescopes. Some of his contributions include: 1) Discovering possible novae, supernovae, and planetary nebulae by analyzing archival sky images; 2) Discovering new variable stars and binary star systems by mining sky survey data; 3) Discovering novae in the Andromeda Galaxy through remote telescope observations he requested. Romanov shares his observation data which has been used in scientific papers, demonstrating how amateur astronomers can meaningfully contribute to the field.
the first moon landing
The document discusses the first moon landing by Apollo 11 in July 1969. It provides background information on previous Soviet and American space missions. It then summarizes the six successful Apollo missions that landed astronauts on the moon between 1969-1972. The document notes that Neil Armstrong and Buzz Aldrin were the first men to walk on the moon as part of the Apollo 11 mission. Finally, it addresses various conspiracy theories that the moon landing was fake, but provides scientific explanations for how the moon landing photos were possible.
Radio Observation of Lunar Dust Environment
This document discusses the lunar dusty plasma environment and transport processes. It describes theoretical models of the lunar plasma environment structure, which is shaped by the solar wind and Earth's magnetotail. Observations from Apollo, Surveyor, Clementine, Selene, and LRO missions provide evidence of dust fountains, floating dust, and glowing dust near the horizon. Open problems are identified, such as mapping the electric field and investigating plasma properties near craters and rillies. Radio observations and in-situ studies from missions like LADEE can help characterize the lunar plasma environment.
พายุสุริยะคืออะไร
1) The document discusses the impacts of solar activity such as solar flares and coronal mass ejections on Earth. 2) Major solar storms in 1859 and 1921 disrupted telegraph systems, while a 1989 solar storm affected power grids in Quebec. 3) Solar activity follows an 11-year cycle, with increased sunspots, solar flares, and coronal mass ejections during solar maximum periods.
Fake Moon Landing Conspiracy Theory
This document discusses and rebuts various conspiracy theories about the moon landing being faked. It addresses claims such as flags waving in the lack of wind, the lack of stars or craters in photos, mysterious lights and reflections, and shadows of differing lengths. The document provides scientific explanations for these observations, such as multiple light sources on the moon, camera exposure settings, and the properties of moon dust. It argues that faking the moon landing would have been extremely difficult and costly, and that observable details are consistent with the conditions on the lunar surface.
Jack Oughton - Quark Star Journal 01.pdf
A quark star is a hypothetical type of neutron star that may form if the intense gravitational pressure is enough to overcome nuclear forces, causing neutrons to break down into their constituent quarks. Quark stars are theorized to be even denser than neutron stars, with matter composed of "free quarks" or strange quark matter. They may form from certain massive neutron stars collapsing when beyond the Tolman-Oppenheimer-Volkoff limit. Quark stars could potentially be detected from being over-dense compared to neutron stars of the same mass, through energetic "quark nova" explosions, or by their relationship to mysterious magnetars and superluminous supernovae. However, direct evidence of strange quark matter has
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- 1. THE UNIVERSE Ngc 2082, Barred Spiral Galaxy (2011). Recovered from: http://pixabay.com/en/ngc-2082-barred-spiral-galaxy-11052/
- 2. THE SUN NASA Solar System. Recovered from: http://www.nasa.gov/vision/universe/starsgalaxies/spitzerf20051129.html http://www.nasa.gov/images/content/138802main_pia03604-browse.jpg
- 3. NASA (2008) Mercury as seen by MESSENGER Flyby2 Oct 2008. Recovered from: http://pt.wikipedia.org/wiki/Ficheiro:281521main_flyby2_20 081007_226.jpg MERCURY
- 4. VENUS NASA (1991) Venus. Recovered from: http://photojournal.jpl.nasa.gov/catalog/PIA00104
- 5. THE EARTH Stöckli, R./ Simmon, R. (2002) “Blue Marble”. Recovered from: http://visibleearth.nasa.gov/view.php?id=57723
- 6. USGS (1980) Mosaic of the Schiaparelli hemisphere of Mars. Recovered from: USGS Astrogeology: Martian Hemesphere Images MARS
- 7. JUPITER NASA/JPL/USGS (1990 processing of 1979 imagery) Original Caption Released with Image. Recovered from: http://photojournal.jpl.nasa.gov/catalog/PIA00343
- 8. Voyager 2 (1981) Saturn. Recovered from: http://www.ciclops.org/view/3163/Saturn-taken-from-Voyager-2 SATURN
- 9. NASA/JPL/Voyager mission Original uploader was Serendipodous at en.wikipedia (1986) This is an image of the planet Uranus taken by the spacecraft Voyager 2 in 1986. Recuperado de: Transferred from en.wikipedia; transferred to Commons by User:Ilaiho using CommonsHelper. (Original text : http://planetquest.jpl.nasa.gov/milestones_show/slide1.html) PIA00032: Uranus in True and False Color (as human eyes would see it): http://photojournal.jpl.nasa.gov/catalog/pia00032 URANUS
- 10. NEPTUNE NASA/JPL (1989) Neptune. Recovered from: http://photojournal.jpl.nasa.gov/catalog/PIA00046