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It depends on the circumstances. A black hole that is actively feeding can emit more energy than the sun as matter becomes superheated before falling into it. A feeding supermassive black hole forms a quasar, which can emit more energy in a single second than the sun will in its entire 10 billion years. However, if a black hole is not feeding then the only energy it gives off is Hawking radiation, which is so slight that we would not be able to detect it, even at close range. The gravity of a black hole is far stronger than that of the sun.
What else can I help you with?
Do you have to die if you fall into a black hole?
A black hole is more powerful than anything in the Universe except an XZ Majoris Ceiphei, so indeed you would have to die if you fell into a black hole for sure; except if you ARE an XZ Majoris Ceiphei.
How the black hole becomes so powerful than anything in the universe?
they drink red bull
Are black holes the strongest object in space?
That depends exactly how you interpret the term "strong". In its vicinity, the black hole distorts space more than anything that is NOT a black hole; so much that nothing can get out of the black hole. But at some standard distance, a galaxy, for example, would have more gravitational attraction than a black hole, simply because it has more mass. At least, so far no black hole of the mass of an entire galaxy has been found.That depends exactly how you interpret the term "strong". In its vicinity, the black hole distorts space more than anything that is NOT a black hole; so much that nothing can get out of the black hole. But at some standard distance, a galaxy, for example, would have more gravitational attraction than a black hole, simply because it has more mass. At least, so far no black hole of the mass of an entire galaxy has been found.That depends exactly how you interpret the term "strong". In its vicinity, the black hole distorts space more than anything that is NOT a black hole; so much that nothing can get out of the black hole. But at some standard distance, a galaxy, for example, would have more gravitational attraction than a black hole, simply because it has more mass. At least, so far no black hole of the mass of an entire galaxy has been found.That depends exactly how you interpret the term "strong". In its vicinity, the black hole distorts space more than anything that is NOT a black hole; so much that nothing can get out of the black hole. But at some standard distance, a galaxy, for example, would have more gravitational attraction than a black hole, simply because it has more mass. At least, so far no black hole of the mass of an entire galaxy has been found.
Can black holes destroy stars 100 times bigger than them?
Yes. Black holes are unaffected by heat. The mass of a star may alter a black hole's trajectory through space, but the black hole would actually become more powerful (a larger, more intense gravity field) from the mass it would gain by consuming the star. Most likely, the star and black hole would orbit one another in inward spirals, with more and more of the star's matter being pulled off and into the black hole.
Is a neutron star or a black hole bigger?
A black hole has more mass than a neutron star, but if you are comparing volume it would depend on the mass of the black hole. A neutron star is estimated to be about 14 miles in diameter, which is larger than the event horizon of a black hole up to about 3.8 times the mass of the sun. A more massive black hole will be larger.
Could you survive a black hole if you were in something more dense than the black hole so you wouldn't get crushed?
there is no such thing as that
Which celestial body would have more thermal energy: the moon or a black hole?
A black hole would have more thermal energy than the moon.
What happens at a black hole?
When an object enters a black hole, it starts being stretched. As it moves closer and closer to the center of the black hole, the gravitational pull on the part of the object that is closer to the center becomes more powerful than the gravitation pull on the part of the object that is farther away from the center. The objects keeps on getting stretched until it reaches the center of the black hole. We don't yet know what happens at that point.
Is there a possibility the sun could go super nova or turn into a black hole?
No. Our Sun isn't massive enough to go supernova, or to turn into a black hole. A star needs to be more than 3 times more massive than our Sun in order to become a black hole.
Is a black hole faster than light?
No, a black hole is not faster than light.
Is a black hole bigger than galaxy?
No. At least, the black holes in existence so far are much smaller in size, and have much less mass, than a galaxy. However, note that the black hole in the center of the largest galaxies can have more mass (but not more diameter) than some dwarf galaxies.
Does the universe have more than one black hole?
The universe definitely has more than one black hole. Just in our galaxy alone there's an estimated 100 million of them, and the observable universe has at least 100 billion galaxies.
