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The size of a black hole is simply a function of its mass (radius being twice the gravitational constant times the mass, divided by the square of the speed of light). There is no upper or lower limit for this, so black holes can be microscopic or gargantuan. Their shape is roughly spherical so the distinction of "length" versus breadth or height might not have much meaning.
The largest known to date is a giant supermassive black hole about 11 times the size of the orbit of Uranus.
What else can I help you with?
Can a black hole destory the galaxy?
No. No black hole is big enough to do that.
Can your universe just be at the end of a black hole and can the big bang just be the birth of that black hole?
Actually one interpretation of the big bang is as a white hole, the inverse of a black hole.
Will a black hole destrow earth?
A black hole can,but it is very rare for a black hole big enough to swallow Earth.
What happened when two black hole met?
both of the black hole will join together as one big black hole. they can either have a direct hit or both spin, twirling into each other until it create a new super big black hole.
Was the big bang a black hole?
No. The Big Bang was an event, not a material thing. (There are plenty of other ways in which it is utterly unlike a black hole as well.)
Will the big bang make a black hole?
no black holes are stars
How long will a black hole to turn on axis?
If a black hole has spin, it will spin forever.
First black hole?
scientists think that the Big Bang which generated the univerese waas the consequence of the explosion of a massive black hole. so the big bang
Is the black hole gone came in 2012?
NO BIG NO
How big is a mini black hole?
This is by RaJ bHANDAL
Can a big black hole stuck the sun?
YES
What can be found in the center of a quasar?
A big black hole.
