Solar system [suriya] slide show
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Transcript of Solar system [suriya] slide show
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WELCOME PRESENTED
BY J.SURIYA PRAKASH
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Solar System
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The solar system is made up of all the planets that orbit our Sun .In addition to planets; the solar system also consists of moons, comets ,asteroids, meteoroids, minor planets ,dust and gas. Everything in the solar system orbits or revolves around the Sun. The eight planets are ---Mercury , Venus , Earth , Mars , Jupiter , Saturn , Uranus and Neptune.
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Milky Way
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The Milky Way galaxy , is commonly known as milky way . Our Earth is situated in the milky way galaxy .Our galaxy is the milky way . It Is known as ‘Aakash Ganga’ in hindi .
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Stars
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The twinkling spots of lights that we
see in the sky at night are called stars . There are billions and billions of stars in the universe . Stars are self-luminous celestial bodies . They are huge balls of very hot gaseous matter that emit heat and light . The Sun is the star nearest to the Earth . Stars are formed from huge clouds of dust and gas .
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Galaxy
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Stars are found in very large clusters or groups . These clusters are called galaxies . A galaxy consists of group of groups of stars , dust , gas and other matter , bound together by a force called gravity .
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Universe
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There could be several million stars in a galaxy . All the galaxies together make up our universe .
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Constellations When seen from the Earth , some
of the stars in the sky appear to be arranged in reconisable patterns . Some look like animals , some like people , while some look like objects . These patterns stars appear to make in the sky are called constellations .
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Leo Leo is
shaped like a lion .
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Aries Aries is
shaped like a goat
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Orion Orion is
shaped like a hunter with a sword .
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Canis MajorCanis Major
means the ‘THE GREAT BEAR’
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Moon
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The Moon is the Earth’s only natural satellite . It revolves around the Earth and rotates on its axis . The Moon is about 384,403 km and has an approximate diameter of 3,476 km .
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On the Moon
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There is no air , water , wind , rain or snow . The Moon has no atmosphere . There is no life on the Moon . The surface has mountain and plain lands. There are big holes called craters . These were made by meteors .
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Phases of the Moon
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The Moon does not have light of its own and reflects only the light that falls on it from the Sun . Moon does not change its shape at all . As it keeps on revolving around the Earth ,we see different parts of it lit up . This causes different shapes of the Moon called Phases of the Moon .
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Planets A planet is a celestial body that orbits a
star . All the planets are spherical in shape . They are non-luminious , i.e. , they do not produce light of their own . Instead , they reflect the light of the Sun that falls on them . Every planet spins on its own axis is called rotation . One complete movement around the Sun is called a revolution or planet-year.
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Mercury
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Mercury , the planet near the Sun and is the second smallest planet in the solar system , only slightly larger than the Earth’s Moon . Mercury’s surface is covered with craters . This tiny planet does not have any rings or Moon .
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Venus
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Fair but in hospitable Venus a sister planet to the Earth that is very different from our home planet . Venus does not have any Moons or rings .
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Earth
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Earth our home planet , is a seen from space . It is the third largest of the inner planets . Earth is the only planet known to support life and to have liquid water at the surface .
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Mars
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Mars is the fourth planet from the Sun . Mars bright appearance and reddish color stand out in the night sky . Impressive surface features such as enormous volcanoes and valleys are frequently obscured by huge dust storms .
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Jupiter
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It is the largest planet in the solar system . When approached from a far , its fantastic striped atmosphere gradually reveals intriguing clouds that move around the planet . Rich in historical and cultural connections . Jupiter is the site of recent comet impacts and continuing scientific discovery .
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Saturn
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The sixth planet from the Sun . It has the most spectacular set of rings in the solar system . Saturn to 60 Moons in addition to its complex ring system .
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Uranus
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Uranus , the seventh planet from the Sun , has its spin axis almost in the plane of its orbit about the Sun . This produces unusual seasons and also causes unique magnetic and electric field structures . Uranus has a faint ring system and 27 known Moons .
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Neptune
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Neptune , the eighth and farthest planet from the Sun , is a very cold planet Its bluish color is caused by small amount of methane gas in its atmosphere . The planet has 13 Moons and a very narrow , faint ring system .
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Thank you Presented
By J. suriya prakash