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It is the biggest star
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The sun is 4.5 billion years old
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93 million miles from Earth
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Similar stars in the Milky Way Galaxy
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Supports life on Earth causes seasons, climate, ocean currents, circulation
of air weather in atmosphere
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Sun is 333,400 more times massive than Earth
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IT contains 99.86% of the mass in the solar system everything else adds
up to about 0.14%
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Core 27 million degrees F
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energy adds up to 100 billion tons of TNT exploding every second
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10,000o F at the surface
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Sun is gaseous, it rotates faster at the equator (26.8 days) than at
the poles (as long as 35 days)
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Composed of hydrogen (71%), helium (26.5%), and other gases (2.5%)
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End of life fuse helium into heavier elements and begin to swell up
swallow Earth trillions of years before cooling off
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109 Earth to cover the Sun's disk and interior could up to 1.3 million
Earths
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Gravity on the sun's surface is about 28 times stronger than at the
Earth's surface
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Weigh 100 lb. on Earth you would weigh
about 2,800 lb. on the sun
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