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Could a black hole destroy earth?
Black holes do not go around in space eating stars, moons and planets. Earth will not fall into a black hole because no black hole is close enough to the solar system for Earth to do that.
Even if a black hole the same mass as the sun were to take the place of the sun, Earth still would not fall in. The black hole would have the same gravity as the sun. Earth and the other planets would orbit the black hole as they orbit the sun now.
The sun will never turn into a black hole. The sun is not a big enough star to make a black hole.
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What is a black hole?
A black hole is a place in space here 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. Spa...
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If black holes are "black" how do scientists know they are there?
A black hole can not be seen because strong gravity pulls all of the light into the middle of the black hole. But scientists can see how the strong gravity affects the stars and gas around the black hole. Scientists can study stars to find out if they are flying around, or orbiting, a black hole....
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How do black holes form?
Scientists think the smallest black holes formed when the universe began.
Stellar black holes are made when the center of a very big star falls in upon itself, or collapses. When this happens, it causes a supernova. A supernova is an exploding star that blasts part of the star into space.
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How is NASA studying black holes?
NASA is using sattelites and telescopes that are traveling in space to learn more about black holes.
These spacecrafts help scientists awnser questions about the Universe.
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Black hole
Black holes do not just bend the stage, they are like trap doors. Places with so much mass that the universe formed a 'no-go' zone where the rules change.
- Most black holes form when very massive stars die. In the final moments of really massive stars, there inside...
Black Holes: The Dark Stars
A black hole is, like the name itself, a point of singularity and infinite density, which remains invisible, much like the event horizon, which is the surface.
A black hole, from a distance, carries the same properties of mass and gravity like a star would...
time for a black hole to dissapear
A black hole the mass of our sun has a lifetime of 10^67 years. Which means that it would take:
- 10,000 billion, billion, billion, billion, billion, billion years, to lose 0.0000001% of its mass.
- But most black holes are way more massive than our s...
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