Monday, August 30, 2010
The Sun
The Sun is the closest star to Earth.
The Sun rotates once every 27 days.
The Sun is now a middle-aged star
The Sun formed over four and a half billion years ago.
The Sun’s surface is called the photosphere
The Sun’s diameter is about 870,000 miles wide.
The Sun is 109 times wider than Earth, and is 333,000 times heavier.
Over one million Earths could fit inside the Sun.
Looking directly at the Sun can permanently damage your eyes because it is so bright.
Did you know that the Sun is made out of 92% hydrogen, 7% helium and the rest is other low number gasses?
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The Sun
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