Space Glossary terms
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Any object that exists in space, such as a planet, a star, or the moon.
A scientist who studies astronomy.
The time it takes for an object to orbit another object; Earth's revolution around the sun is 365.24 days.
The turning of an object around an imaginary axis running through it; Earth's rotation around its axis is 24h
A group of stars that seem to form a distinctive pattern in the sky.
The distance that light travels in one year
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