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Pritam Baidya
Feb 10, 2022, 3:27 PM
A small, rocky or metallic body revolving in interplanetary space around the Sun.
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Pritam Baidya
Jan 24, 2022, 11:57 AM
A galaxy is a collection of stars and interstellar material held together by gravity. The galaxy our Sun lives in...
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Pritam Baidya
Jan 19, 2022, 9:25 AM
A black hole is a place in space where gravity pulls so much that even light can not get out.
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