by looking around them. in fact the immense gravity of a black hole affects all the planets around it and also light, wich is bent.
You cant even Get out of a blackhole its way to strong. Whoever even thought of this question must not know blackholes very well :/
As you will not see blackholes on Earth, they may be in space. It depends on the blackhole, I am not an astronaut but I'm sure that all blackholes come in different shapes and sizes. But I do know that you would not like to get in one! cause of meep meep
No
If blackholes reach the earth the earth will destroy. Blackhole are to large it can eat star easily.
Stephen Hawking is currently researching the origins of blackholes and the effects of blackholes on the matter surrounding it.
Albert Einstein.
nature
No. You cant see it with your bare eye. I have it and you cant see it.
If you cant see his mirrors, then he cant see you.
If you cant see his mirrors, then he cant see you.
you cant i dont know
The supermassive blackholes at the center of galaxies.