The universe
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The document discusses the origins and components of the universe. It describes how the universe was born in a huge explosion called the Big Bang many years ago, when things were hot and tightly packed. After cooling and expanding, stars, planets, and other heavenly bodies formed, including Earth. The Milky Way galaxy, which contains hundreds of millions of stars, including our Sun, is the galaxy that Earth belongs to. The Moon is described as Earth's only natural satellite, which revolves around Earth and reflects light from the Sun.
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Our solar system is made up of the Sun and everything that orbits around it, including eight planets. The planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Earth is the third planet from the Sun and is the only known planet capable of supporting life. The Earth spins on its axis, causing day and night, and orbits the Sun once a year, causing the changing of seasons as the Earth's distance from the Sun varies over the course of the year. Other objects in our solar system include asteroids, meteoroids, and comets.
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Our solar system is made up of the Sun and everything that orbits around it, including eight planets. The planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Earth is the third planet from the Sun and is the only known planet that can support life. The Earth spins on its axis, causing day and night, and orbits the Sun once a year, causing the changing of seasons as the Earth's distance from the Sun varies over the course of the year. Other objects in our solar system include asteroids, meteoroids, and comets.
Day And Night Sky 1st
The document discusses the sun, stars, and planets. It explains that the sun is a star that provides light during the day which living things need to live and grow. Earth's rotation causes night and day as it moves around and rotates, and stars can be seen at night giving off their own light. A telescope allows distant objects like planets and stars to appear closer.
Stars and planets
Stars are shining celestial bodies that emit heat and light. They vary in size and rotate in space. The document discusses stars and planets, noting that stars include the Sun and planets include the eight major bodies that orbit the Sun, along with moons and other celestial objects. Planets are dark bodies that revolve around the Sun in fixed orbits, while moons follow and revolve around planets, reflecting sunlight but not emitting heat or light themselves.
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This presentation provides information about the Big Bang theory and the structure and expansion of the universe. It then discusses various planets in the solar system including Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. For each planet, key facts are given about their physical characteristics and atmospheres, as well as whether life could exist on each planet. The presentation concludes with a note that Pluto is now classified as a dwarf planet.
Interactive PowerPoint: Classifying Stars
Stars form from clouds of dust and gas called nebulae. Gravity causes the gas and dust to collapse into a dense protostar at the center. When the protostar becomes hot and dense enough, nuclear fusion occurs, releasing energy and causing the star to shine. A star's lifespan depends on its mass - lower mass stars last for billions of years, while higher mass stars only last millions of years before ending their lives in supernova explosions. Scientists classify stars based on their temperature and the elements they absorb, with classifications ranging from hottest O-type stars to coolest M-type stars.
life cycle of a star
The life cycle of stars depends on their mass. Lower mass stars like our Sun will eventually become red giants then white dwarfs. Higher mass stars live shorter lives and end as supernovas, leaving behind neutron stars or black holes. All stars begin as nebulae of dust and gas that collapse under gravity into protostars and main sequence stars fueled by nuclear fusion.
How a star is born, lives,
Stars are born from clouds of hydrogen and helium gas that collapse under gravity. When the cloud becomes dense and hot enough, nuclear fusion begins at its core, causing the star to shine. A star's properties like size, temperature, and color depend on how much gas was in the original cloud. The Hertzsprung-Russell diagram classifies stars based on these properties and tracks their evolution over millions or billions of years as they fuse elements until dying in a supernova or becoming a black hole or white dwarf. Our sun is a medium-sized yellow star that has fused hydrogen for 4.6 billion years and will continue for another 5 billion years.
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The document discusses the sun, stars, and planets. It explains that the sun is a star that provides light during the day which living things need to live and grow. Earth's rotation causes night and day as it moves around and rotates, and stars can be seen at night giving off their own light. A telescope allows distant objects like planets and stars to appear closer.
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Stars are shining celestial bodies that emit heat and light. They vary in size and rotate in space. The document discusses stars and planets, noting that stars include the Sun and planets include the eight major bodies that orbit the Sun, along with moons and other celestial objects. Planets are dark bodies that revolve around the Sun in fixed orbits, while moons follow and revolve around planets, reflecting sunlight but not emitting heat or light themselves.
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This presentation provides information about the Big Bang theory and the structure and expansion of the universe. It then discusses various planets in the solar system including Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. For each planet, key facts are given about their physical characteristics and atmospheres, as well as whether life could exist on each planet. The presentation concludes with a note that Pluto is now classified as a dwarf planet.
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Stars form from clouds of dust and gas called nebulae. Gravity causes the gas and dust to collapse into a dense protostar at the center. When the protostar becomes hot and dense enough, nuclear fusion occurs, releasing energy and causing the star to shine. A star's lifespan depends on its mass - lower mass stars last for billions of years, while higher mass stars only last millions of years before ending their lives in supernova explosions. Scientists classify stars based on their temperature and the elements they absorb, with classifications ranging from hottest O-type stars to coolest M-type stars.
life cycle of a star
The life cycle of stars depends on their mass. Lower mass stars like our Sun will eventually become red giants then white dwarfs. Higher mass stars live shorter lives and end as supernovas, leaving behind neutron stars or black holes. All stars begin as nebulae of dust and gas that collapse under gravity into protostars and main sequence stars fueled by nuclear fusion.
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Stars are born from clouds of hydrogen and helium gas that collapse under gravity. When the cloud becomes dense and hot enough, nuclear fusion begins at its core, causing the star to shine. A star's properties like size, temperature, and color depend on how much gas was in the original cloud. The Hertzsprung-Russell diagram classifies stars based on these properties and tracks their evolution over millions or billions of years as they fuse elements until dying in a supernova or becoming a black hole or white dwarf. Our sun is a medium-sized yellow star that has fused hydrogen for 4.6 billion years and will continue for another 5 billion years.
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A star is a huge ball of gas held together by gravity that produces energy through nuclear fusion in its core. This energy radiates out from the star as light, making it glow and shine. Stars come in different sizes, colors, and temperatures, like our Sun which is a yellow star of average size and heat. A star shines through nuclear fusion in its core converting hydrogen to helium and releasing huge amounts of energy. This energy radiates out from the star, making it shine.
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The document provides information about the Earth and its place in the solar system and universe. It discusses that the Earth is a planet that orbits the Sun. It receives light and heat from the Sun and has one moon. It also describes that the solar system includes the Sun and eight planets that orbit it, as well as asteroids and other smaller objects. Finally, it notes that the solar system is located within the Milky Way galaxy, and the galaxy is part of the wider universe.
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Our solar system is made up of the Sun and everything that orbits around it, including eight planets. The planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Earth is the third planet from the Sun and is the only known planet capable of supporting life. The Earth spins on its axis, causing day and night, and orbits the Sun once a year, causing the changing of seasons as the Earth's distance from the Sun varies over the course of the year. Other objects in our solar system include asteroids, meteoroids, and comets.
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Our solar system is made up of the Sun and everything that orbits around it, including eight planets. The planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Earth is the third planet from the Sun and is the only known planet that can support life. The Earth spins on its axis, causing day and night, and orbits the Sun once a year, causing changes in seasons as it moves closer and farther from the Sun over the course of the year. In addition to planets, our solar system contains other objects like asteroids, meteoroids, and comets.
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Our solar system is made up of the Sun and everything that orbits around it, including eight planets. The planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Earth is the third planet from the Sun and is the only known planet that can support life. The Earth spins on its axis, causing day and night, and orbits the Sun once a year, causing the changing of seasons as the Earth's distance from the Sun varies over the course of the year. Other objects in our solar system include asteroids, meteoroids, and comets.
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The universe contains stars, planets, moons, asteroids, comets, and galaxies. Our solar system is made up of the Sun and objects that orbit it, including the planets. The planets can be divided into inner planets like Earth that are rocky, and outer planets like Jupiter that are gas giants. Beyond our solar system are other galaxies, including the Milky Way galaxy that contains approximately 300 billion stars and is shaped like a spiral. Scientists use measurements like distance and time to study the structure and evolution of the universe.
R
This document summarizes key information about planets in our solar system. It describes how the solar system formed from a mass of stellar dust concentrating into the sun. It then discusses the 9 planets, distinguishing inner planets like Earth that are rocky and closer to the sun, from outer gas giants like Jupiter and Saturn. The document also mentions asteroids, comets, galaxies, and provides details about Earth like the atmosphere, moon, day and night cycles, seasons, and different land types.
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The document discusses the universe and our solar system. It describes the universe as a vast expanse containing stars, planets, moons, dust and gases. It notes that the Earth is very small compared to the universe. It then discusses the components of our solar system, including the sun, eight planets, and moon. The sun is at the center of our solar system and the earth is the only known planet that supports life.
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Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
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Chapter 4
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Transportation: Introduction to Transportation Engineering; Traffic and Road Safety: Types and Characteristics of Various Modes of Transportation; Various Road Traffic Signs, Causes of Accidents and Road Safety Measures.
Chapter 6
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The universe
- 5. 02 The SunThe Sun 8 Planets8 Planets AsteroidsAsteroids CometsComets GalaxiesGalaxies Milky WayMilky Way MoonMoon
- 6. THE UNIVERSE CONSISTS OF THE WHOLE SPACE IN WHICH WE LIVE, THAT IS , THE TOGETHER WITH ALL THE PLANETS EARTH
- 7. Big Bang It came with the BIG BANG , most scientist believe that the universe was born out of a huge explosion called the BIG BANG many , many years ago. At the time of the BIG BANG , things in the universe were hot and tightly packed . After the explosion , all the things began to cool down and grow bigger. This is how the UNIVERSE was born. The stars and other heavenly bodies such as planet EARTH was formed.
- 8. Big Bang
- 10. • Stars are a big ball of fire that gives us heat and light. • The Sun is one of the stars. • Many stars are bigger than the sun, but appears very small , as they are very far away from the earth. • Group of stars make patterns in the sky.These patterns are called CONSTELLATION . • Stars appear to twinkle because of the movement of air in the atmosphere of the Earth. STAR
- 11. Milky Way
- 12. A m a s s i v e c l u s t e r o f h u n d r e d s a n d m i l l i o n s o f s t a r s o r b i t i n g a r o u n d t h e c e n t r e i s c a l l e d G A L A X I E S . T h e s t a r s w h i c h w e c a n s e e f r o m t h e e a r t h b e l o n g s t o t h e e a r t h ’ s G A L A X Y o r M I l K Y W A Y . T h e M I L K Y W A Y i s t h e n a m e g i v e n t o t h e f a i n t b a n d o f l i g h t t h a t s t r e t c h e s a c r o s s t h e s k y t h a t w e s e e a t n i g h t . Milky Way
- 13. The Sun is one of the Stars Heat & LIGHT Bigger then SUN Far away from EARTH Appears to TWINKLE Big ball of FIRE
- 14. MOON OR SATELLITE • A satellites is an object that moves around the Planet. • The MOON is the only natural satellite of the EARTH. • Like the Sun , we can clearly see that MOON in the sky. • It has no light of its own. Like, planets , the MOON reflects the light of the Sun . • MOON surface is not FLAT but have mountains and valleys.
- 15. MOON Close to EARTH Only natural satellite of the EARTH Revolves around the PLANETS Reflects light of the SUN No light of its own Surface is not flat but has mountains & valley Full moon / half moon
- 16. • Sun is a star. • Suns light takes 8 minutes to reach the EARTH. • Sun keeps our planets warm. • Sun is the natural sources of light and heat . • Sun is also known as a SOL. • Sun looks much bigger than other stars in the sky because it is closer to the EARTH than any other stars. • Sun rises from the east and sets in the west. SUN
- 17. SUN Is a STAR Giant ball of HOT gases Closest to the EARTH LIGHT / ENERGY Planets move around the SUN Sunlight takes 8 minute to reach EARTH It is apx. 4.5 billiion years old It is in the CENTRE of the solar system
- 18. Let's Practice • What do we see in the day sky ? • What do we see in the night sky ? • What do we get from the Sun ? • When do we can see the moon and the stars in the sky ? • Why do stars look so small ? • What are constellation ? True or False • The stars have their own light . • The earth is a part of the solar system . • The moon has its own light. • The sun rises in the west. • The Earth is a huge ball of fire. Blanks . • The earth moves around the _________________________(sun / moon) • _________________shines at night. (Stars / Earth) • ________________gets light from the sun .( Moon / Stars) • We cannot count the number of __________________ ( stars / moon) • The ______________is bigger than earth . ( moon / sun ) • We get heat from _______________. ( sun / moon )
- 19. Activity