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Answered 2013-12-29 11:27:04
  • stellar black holes were stars (these are large)
  • primordial black holes were pieces of the big bang (these are microscopic)
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How did Dr. Stephen Hawking discover black holes?

He did not. He made some theoretical discoveries about how black holes would probably behave; but the concept of black holes was discovered by others before him.


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Well, there are two kinds of black holes. The normal black holes and the supermassive black holes. The supermassive black holes are a billion times bigger then our sun, while normal black holes are the same size as the Earth.


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There is only 1 type of black holes called black holes.


Why are black hole?

Black holes aren't holes, but attract objects just like holes.Black holes are in the middle of most galaxies.Black holes start by supernovas, which are giant explosians.


What are some examples of stars that have already turned into black holes?

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The names of the black holes?

do you mean like stellar black hole,miniature black holes, and super nova black holes.


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