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A black hole has so much mass that light can't escape from it once it passes the event horizon. It can still escape if it hasn't passed the evnt horizon.

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15y ago

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What is an object so massive that light cannot escape its gravity called?

A black hole is an object so massive that light cannot escape its gravity, due to the intense gravitational pull caused by its mass and density.


What is a massive and dense object from which light cannot escape its gravity called?

A "Singularity" or a "black hole".


What object is so dense and has such strong gravity that no light can escape it?

A black hole is an object with such strong gravity that not even light can escape its pull. This intense gravity is due to its extreme density, formed when a massive star collapses in on itself.


What is so small and massive that its gravity does not even let light escape it?

Your category is the answer, that thing is black hole


Could you fly off of a planet because there is no gravity?

No. All planets have gravity. Any object massive enough to be considered a planet would have strong enough gravity that you could simply escape by jumping. It is, however, possible for an object to escape the gravity of any planet if it is launched in the right way and with enough speed.


What object has such a strong surface gravity that light cannot escape?

A black hole


Why are black holes invisable?

Our eyes perceive objects by sensing the light reflected off the object. If no light comes from an object, our eyes cannot sense it. Black holes are so massive that even light cannot escape the its gravity, and therefore no escaped light means no possibility of detection by our eyes.


Is blackhole actually a hole?

No. A black hole is a highly compressed massive object with gravity so strong that nothing can escape once it passes a certain point.


Is so massive that its gravity does not even let light escape?

The object you are describing is a black hole. It is a region in space where gravity is so strong that not even light can escape from it, hence why it appears completely black and invisible to outside observers.


What forms when the leftovers of a supernova are so massive that they collapse to form a dense object whose gravity is so strong that light cannot escape?

A black hole forms when the remnants of a supernova collapse under their own gravity, becoming so dense that not even light can escape its gravitational pull. This creates a region of spacetime exhibiting extreme gravitational effects from which nothing, not even light, can escape.


What object in space has a very strong gravity?

black holes are believed to have the strongest gravitational pull. that and beaches at spring break.


Is there another place in outer space that has gravity?

Yes, every planet and every star has gravity. In fact, every object that has mass, has gravity. Black holes have so much gravity that even light cannot escape.