By a Star collapsing on its self.
The first black hole was probably after the first population III star exploded about 13.1 billion years ago. One of which might be the black hole at the centre of our galaxy.
A black hole
You can't - that's the whole idea of a black hole. Don't get near a black hole in the first place.
No. The idea of a black hole was first proposed in 1783, 230 years ago. The first observations believed to indicate the presence of a black hole were in 1964.
No non-fiction person has ever gone into a black hole.
You start a hole of golf by making a stroke with any golf club from the defined teeing area.
Black holes and the big dipper are in space. They begin with the letter b.
It is not yet known for sure how a supermassive black hole acquires the enormous mass it has. It is possible that it starts as a normal black hole, and then gets more mass. It is also possible that from the start, a much larger amount of mass than in a normal black hole collapses.
Nobody has ever visited a black hole. The nearest known black hole is many light years away. Much to far away for us to reach it.
First of all, our sun can not become a black hole, it is too small for that. However if a star is three times bigger than our sun, then yes it will become a black hole.
The apparent horizon is formed first in the evolution of a black hole. It represents the point from which no light can escape, defining the boundary of a black hole's event horizon.
Yes. Matter falls into black holes all the time; the first known black hole was the "Cygnus X1" black hole, which was discovered by the X-ray emissions caused by matter being pulled off the companion star and falling into the black hole.