The Black Hole

By Kyan Risner

What is the black hole?

A black hole is a geometrically defined region of spacetime exhibiting such strong gravitational effects that nothing including particles and electromagnetic radiation such as light can escape it.
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How are they formed?

Black holes are formed when a sufficiently compact mass deforms spacetime.

10 facts about black holes

1. You can't directly see a black hole

2. Our milky way likely has a black hole

3. Dying stars create stellar black holes

4. Black holes come in a range of sizes

5. Weird time stuff happens around black holes

6.The first black hole wasn't discovered until X-ray astronomy was used

7. The nearest black hole is likely 1,600 light-years away

8. We aren't sure if worm holes exist

9. black holes are only dangerous if you get too close.

10. Black holes are used all the time in science fiction

Who Discovered the First Black Hole and When?

Albert Einstein first predicted black holes in 1916 with his general theory of relativity. The term "black hole" was coined in 1967 by American astronomer John Wheeler, and the first one was discovered in 1971.