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Black holes would only suck in matter whose relative velocity is too low to escape the vicinity (escape velocity). At the event horizon the pull is so great and escape velocity is so large that it equals the speed of light and generally nothing can escape at that point. Even electromagnetic radiation emitted outside the event horizon but inside the black hole's photon sphere stands a good chance of getting sucked in, or more correctly, the curvature of space is such that directions that light would travel in would more likely intersect the event horizon the closer you get to it.

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10y ago

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What are black holes called when they suck in gas?

They're still called black holes. A black hole remains defined as a black hole as long as it absorb everything near them, both energy and matter, including gas.


What do black holes suck in?

Absolutely anything and everything. They may even suck up time(!!!!!), but no one knows for sure.


Do black holes suck up everything?

Yes, even light. Nothing can escape them after passing the point of no return.


What does NOT provide energy for human use?

Everything can somehow provide energy, except for black holes, which only suck up energy.


Can black holes suck in people and rocket ships?

Black holes have such strong gravitational pull that they can theoretically pull in anything that gets too close, including people and rocket ships. However, the likelihood of a person or a rocket ship getting close enough to be pulled into a black hole is extremely low, as we are very far away from any known black holes.


What does it look like to go near a black hole?

You might think it would look amazing and scary! But... no. Black holes suck in light so it is not visible.


What is bigger black holes or asteroids?

Black holes. They can be so large that they can suck up universes at a time


What cause thing to suck in a black hole?

The best answer to your question is that black holes are super massive. Massive objects have high gravitational pull which means that they will pull objects, including sunlight, into the black hole if something enters the black hole's event horizon.As opposed to common lore, black holes are not giant "vacuum cleaners" which roams around the universe destroying everything it comes near. Most galaxies are believed to harbor massive black holes and the stars in the galaxy are typically orbiting the the black holes instead of falling into them. In some cases, galaxies are disturbed(for example if two galaxies collide), and some solar systems may be pushed into the path of the black holes which will then "suck them in".


Can black holes suck up sound?

yes


What do astronomers think that the areas around blackholes give off?

Astronomers think that the areas around black holes suck everything in like when a tub drains. But black holes are large amounts of matter that is packed into a small area.


Does the Milky Way black hole suck stuff up?

Yes, all black holes 'suck stuff up'.


How does a black hole suck up other planents?

Black holes are basically highly compressed massive (has lots of mass) parts of space. The large amount of mass warps the space time around the black hole which causes intense gravity that suck everything in.