I have seen pictures of them but what are they? And how do we get pictures of them?
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Black holes are points in space with gravity so strong that not even light can pull away from them, hence the name *black* hole. Most black holes are the final stage of very massive stars that have exploded.
You've not seen photographs of black holes because light can't move away from them. You've probably seen artists' renditions of what they might look like.
You've not seen photographs of black holes because light can't move away from them. You've probably seen artists' renditions of what they might look like.
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A black hole is an area of spacetime where the intense gravity does not allow anything, (including light) to escape. When very large and dense stars die, their cores often collapse. Gravity forces the core to collapse so much that it is contained within its Schwarzschild radius (event horizon).
You haven't seen an actual picture because all light is rushing towards the black hole and none away from it. The black holes you've seen in pictures were done by artists.
You haven't seen an actual picture because all light is rushing towards the black hole and none away from it. The black holes you've seen in pictures were done by artists.
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Black holes are typically the remnants of really large stars. The stars had so much mass that succeeding their death, all of their mess coalesced together and created an extremely dense area. It is a relatively small area with a huge mass.
As gravity pulls things towards mass (In a simplified statement (:), nearly every object or even forms or energy, even light *hence 'black*, is drawn inside.
As gravity pulls things towards mass (In a simplified statement (:), nearly every object or even forms or energy, even light *hence 'black*, is drawn inside.
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you HAVENT seen pictures of them... drawings, paintings, computer simulations or artist's renderings maybe.... but not pictures. A black hole is the gravity field of a sun which has gone out, and collapsed. Every object in the universe with mass has a gravity field... the moon, the planets, all the stars. When a REALLY big star collapses, it may become a black hole.
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Black Holes are very large stars that ran out of fuel and collapsed in on themselves. They have a very large gravity, nothing known to man can currently escape the gravity of one.
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Black Holes are DEAD STARS - Nothing Else. Just Massive Dead Stars whose mass is so great that the gravity is so strong. light can't escape.
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Superdense stuff