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PPT
... much different from a regular star of the same mass. If our Sun were to suddenly become a black hole, it’s gravitational field would look exactly the same! The planets will keep moving around as if nothing happened! • Black holes emit no light, because light cannot escape. Thus, black holes are dark ...
... much different from a regular star of the same mass. If our Sun were to suddenly become a black hole, it’s gravitational field would look exactly the same! The planets will keep moving around as if nothing happened! • Black holes emit no light, because light cannot escape. Thus, black holes are dark ...
black_holes
... hot and dense that hydrogen nuclei fuse together, creating tremendous energy. It lives for millions or billions of years while the inward pull from its own gravity is balanced by the outward pressure from nuclear fusion. Its life ends when the nuclear fuel has been used up. First the star swells, br ...
... hot and dense that hydrogen nuclei fuse together, creating tremendous energy. It lives for millions or billions of years while the inward pull from its own gravity is balanced by the outward pressure from nuclear fusion. Its life ends when the nuclear fuel has been used up. First the star swells, br ...
Black Hole
... But stars which are 10 or 20 times the Sun live for only a few crores of years. That is because they burn much faster and finish their internal fuel very quickly. ...
... But stars which are 10 or 20 times the Sun live for only a few crores of years. That is because they burn much faster and finish their internal fuel very quickly. ...
Quiz on Chapter 11
... 11-26. A friend takes a ride on a spaceship to a distant star and returns to Earth. You and your friend were the same age when your friend left on the spaceship. When your friend returns she a) will be the same age as you. b) will be younger than you. X c) will be older than you. d) could be older o ...
... 11-26. A friend takes a ride on a spaceship to a distant star and returns to Earth. You and your friend were the same age when your friend left on the spaceship. When your friend returns she a) will be the same age as you. b) will be younger than you. X c) will be older than you. d) could be older o ...