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There are two ways. The first is that if there is starlight behind the black hole we will see its event horizon as a completely black sphere. Light passing near the event horizon is bent, producing a severely distorted image of anything behind the black hole. This effect would only be noticeable once you get very close to the black hole.
All black holes we have found have been detected indirectly. If a large amount of matter falls into a black hole it will become extremely hot and will emit light and x-rays, which can escape the gravity so long as the material has not crossed the event horizon. Matter that does not fall into the black hole is ejected in two beams of matter at near the speed of light.
In a few cases we have also detected objects in orbit around black holes.
What else can I help you with?
Can the speed of light escape a black hole?
No, the speed of light cannot escape a black hole because the gravitational pull of a black hole is so strong that even light cannot escape it.
What cannot escape from a black hole?
Nothing can escape a black hole, not even light.
Can light escape from a black hole?
No, light cannot escape from a black hole due to its strong gravitational pull.
Who wold win Chuck Norris vs a black hole?
well since light itself cannot escape a black hole im going to say no
Why is it so dark in black holes?
If gravitational force is strong enough, light itself is affected by the gravity. The gravitational force of a black hole is so intense that light cannot escape from it. No light, nothing to see. It appears as a "black hole".
What is a collapsed star from which light cannot escape?
A black hole.
How does the escape velocity from a black hole compare with the speed of light?
The escape velocity of a black hole is equal or greater than the speed of light, so light cannot escape
What can light not escape from?
Light cannot escape from a black hole due to its extremely strong gravitational pull. The gravity of a black hole is so intense that not even light, the fastest thing in the universe, can escape its grasp.
How do objects escape from a black hole?
Objects cannot escape from a black hole because the gravitational pull is so strong that not even light can escape.
Why can't light escape a black hole?
Light cannot escape a black hole because the gravitational pull of a black hole is so strong that it traps everything, including light, within its boundary called the event horizon. This means that once light crosses the event horizon, it cannot escape the black hole's intense gravitational force.
What is a star in which light cannot escape because of the immense gravitational pull at its surface called?
A star in which light cannot escape because of its immense gravitational pull at its surface is called a black hole.
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.
