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Title: Solar system and beyond
Description: Includes the universe, galaxies, stars, suns. The important space explorers and shuttles/space stations/satellites.
Description: Includes the universe, galaxies, stars, suns. The important space explorers and shuttles/space stations/satellites.
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SOLAR SYSTEM AND BEYOND
1
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As astronomers believe, it came into being a cosmic explosion
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Wide in a single second and it is
still expanding today
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It has no edge and nothing exists beyond it, not even space
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Has billions and billions of galaxies, each containing billions of stars
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GALAXIES
i
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A group of billions of stars held together by gravity
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Spiral- disk like galaxies with spiral arms
2
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Irregular- has an ill-defined structure with no definite outline
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MILKY WAY GALAXY- Is the galaxy we live in consisting of
atleast 200billion stars and their planets
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ANDROMEDA GALAXY- our nearest galaxy neighbor
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B
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Are cosmic thermonuclear reactors fuelled by the nuclear fusion of hydrogen
atoms
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Can appear brightly simply because they are they are very close to us or faint
because they are very far away
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Procima centauri is the next closest star on earth
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SUN
i
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ii
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iii
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iv
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Sunspots- dark patches on the sun's surface
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Solar flares- violent short-lived bursts of magnetic energy
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Prominence- a huge cloudlike structure that appears as a great bright
arch when viewed at the outer edge of the sun's disk
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Solar wind- stream of charged particles flowing steadily outward
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SPACE EXPLORATION
A
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Yuri gagarin- a soviet cosmonaut(Russian space explorer) who became the first
man to orbit the earth
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John glen jr
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iii
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iv
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v
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B
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ii
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Discovery- launched the Hubble space Telescope
iv
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2
Columbia- the first shuttle to reach the earth's orbit
ISS (international space station)- built by 16 countries for scientific research
Title: Solar system and beyond
Description: Includes the universe, galaxies, stars, suns. The important space explorers and shuttles/space stations/satellites.
Description: Includes the universe, galaxies, stars, suns. The important space explorers and shuttles/space stations/satellites.