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100

can you see a black hole 

no 

100

does the milky way have black holes 

yes 

100

what do dead stellar stars have to do with black holes 

the dying stars become black holes 

100

when was the first black hole discovered 

it was discovered when they used x-ray astronomy 

100

whats the closest black hole 

its probably not 1,600 light years away 

200

what happens if you get close to a black hole 

you cannot escape 

200

can a black hole absorb a black hole 

yes 

200

can a black hole explode 

its not uncommon 

200

what are the four types of black holes 

stellar, intermediate, supermassive, and miniature 

200

how many black holes are in the milky way 

ten million 

300

can the sun turn into a black hole 

no its too small for that 

300

can a black  hole kill you 

it depends on the size of  the hole 

300

will a black hole hit earth 

no black holes are close enough to earth to affect us 

300

what is the largest black hole ever to be known 

quasar TON 618 

300

where does a black hole lead to 

nowhere 

400

are black holes faster than light 

there are some black holes that are 99% greater than the speed of light 

400

how long do black holes live for 

10^67 to 10^100 years but will eventually evaporate 

400

how fast can a black hole spin 

about two min

400

what are black holes made of 

dying stars 

400

what is the closest black hole to earth 

sagittarius A 

500

what happens if a black hole dies 

they shrink down to nothing and simply pop away in a flash of energy 

500

what is the chance of a black hole hitting earth 

zero chance 

500

why does time stop in a black hole 

it draws objects into the center of the black hole no force in the universe can stop this fall anymore than we can stop the flow of time 

500

who discovered black holes 

Karl Schwarzschild 

500

what year was the black hole found 

1916 

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