BLACK HOLES AND STEPHAN HAWKİNG
Hello ! I am going to talk about black holes and Stephan Hawking. 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. With specials telescopes and tools can help us to see black holes. How Big Are Black Holes? Black holes can be big or small. Scientists think the smallest black holes are as small as just one atom. Black holes are very tiny but they have a mass as a mountain or hundreds of time sun. The mass is the amount of matter. The black hole is also called by ' ' stellar' ' . In Milky Way , Earth's galaxy,there are lot of stellars. The largest black holes are called "Suppermasive". These black hole 's mas