Guidelines

Can you accelerate a black hole?

Can you accelerate a black hole?

Can a black hole accelerate an object beyond the speed of light by its attraction? – Quora. Well, yes, but… (you knew there was a “but” involved, didn’t you.) An infalling object reaches the speed of light when it reaches the black hole’s event horizon.

How fast can a black hole accelerate an object?

Using NASA’s Chandra X-ray Observatory, astronomers have seen that the famous giant black hole in Messier 87 is propelling particles at speeds greater than 99\% of the speed of light.

Is light faster in a black hole?

Recall that a black hole is a region of space-time, which, due to gravitational attraction, cannot leave any object, not even photons of light. Since the speed of light in a black hole is less than the second cosmic speed for a given black hole.

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Could anything become a black hole?

In theory, any mass can be compressed sufficiently to form a black hole. The only requirement is that its physical size is less than the Schwarzschild radius. For example, our Sun would become a black hole if its mass was contained within a sphere about 2.5 km across.

How fast is Sagittarius A * spinning?

SgrA* must be spinning at a rate less than 10\% of the speed of light, they found, because any faster movement would have knocked the S-stars out of their X-shaped orbital planes by now.

Can light escape from a black hole?

A black hole has an event horizon which ‘marks the point of no return’. So yes, light cannot escape from a black hole.

Where does the event horizon of a black hole form?

I understand that the event horizon of a black hole forms at the radius from the singularity where the escape velocity is $c$. But it’s also true that you don’t have to go escape velocity to escape an object if you can maintain some kind of thrust.

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What happens to matter when it is pulled into a black hole?

Matter is heated to millions of degrees as it is pulled toward the black hole, so it glows in X-rays. The immense gravity of black holes also distorts space itself, so it is possible to see the influence of an invisible gravitational pull on stars and other objects.

What is the most distant black hole ever seen?

What is the most distant black hole ever seen? The most distant black hole ever detected is located in a galaxy about 13.1 billion light-years from Earth. (The age of the universe is currently estimated to be about 13.8 billion years, so this means this black hole existed about 690 million years after the Big Bang.)