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  • stellar black holes were stars (these are large)
  • primordial black holes were pieces of the big bang (these are microscopic)
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11y ago

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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.


Did black holes exist in 1999?

Black holes did exist in 1999, and long before that. While black holes cannot be observed directly, they have been hinted at having existed by Einstein. The first real recording of the side effects of a Black hole was in 1971.


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

Cygnus X-1; Sagittarius A* Actually, any observed black hole can be assumed to have been a star at some moment; although in the case of the supermassive black holes, it is not quite clear how they formed.


Why all dead big stars do not form black holes?

All dead big stars do not form black holes because sometimes the collapse of the star is stopped at a smaller size before it becomes a black hole.


Is the universe made of black holes?

No. It certainly has black holes, but it has other things as well.No. It certainly has black holes, but it has other things as well.No. It certainly has black holes, but it has other things as well.No. It certainly has black holes, but it has other things as well.


Are black holes time portals?

it is theorized that it is possible for black holes to act as worm holes but most scientists believe their gravitational pull is simply too powerful for anything to survive being ripped to pieces before it goes anywhere.


Can black holes dies?

Black holes do not die but they can evaporate.


When was black holes made in the world?

Ever since time began, maybe even before!


How do black holes get into your solar system?

There are no black holes in our solar system


What are the stars called when they become black holes?

They are called "black holes".


What do very large mass star become at the end of their life cycle?

The most massive stars will die as black holes.


What problem involving black holes did Stephen Hawking solve?

Stephen Hawking's research on black holes led to the concept of Hawking radiation, which proposed that black holes are not completely black but emit radiation. This idea resolved the paradox of black holes violating the laws of thermodynamics by showing that they can slowly lose mass and energy over time.