what is space ?
the sky in fact is part of the universe which is a vast limitless expance called space that includes billions of celestial bodies. we still do not have the correct estimate about the shape, size and origin of the universe .
the sky in fact is part of the universe which is a vast limitless expance called space that includes billions of celestial bodies. we still do not have the correct estimate about the shape, size and origin of the universe .
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| space |
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