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TRUE OR FALSE

Black holes are real holes?

This is an artist’s image of a black hole
This is an artist’s image of a black hole
作者:teens
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黑洞是真的洞吗?

Black holes are not really holes in space. A black hole form (形成) when a star collapses (崩塌). A black hole is a dying (垂死的) star. It has strong gravity (重力). It can pull things close to it. Even (甚至) light can’t get out.
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