Mystery Science eBook Series.
This ebook includes video.
What Is a Black Hole?
A black hole is a place in space where gravity pulls so much that even light can not get out. The gravity is so strong because matter has been squeezed into a tiny space. This can happen when a star is dying. Because no light can get out, people can't see black holes. They are invisible. Space telescopes with special tools can help find black holes. The special tools can see how stars that are very close to black holes act differently than other stars. If anything gets too close to a black hole, it is dragged inside and never leaves. This is because a black hole's gravity is so strong that even light cannot escape.
Table of Contents
1.What is Black Hole?
2.History of Black Holes
3.Structure and Features
4.Life of Black Holes
5.Black Candidate
6.Gallery of Black Holes
7.Credits
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