Can anything fall into a black hole?

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  • #1
Phrak
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From what I understand, from a frame of reference outside a black hole, it takes an infinite amount of time for a test particle to cross the event horizon. But it takes finite time for any black hole to evaporate. It seems there is no horizon left to fall through.
 
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  • #3
Funny. I expected an uncontroverial "no" as an answer, hoping for some substanciating equations...
 

FAQ: Can anything fall into a black hole?

1. How does a black hole form?

A black hole forms when a massive star dies and its core collapses under the force of its own gravity. The core becomes so dense that it creates a point of infinite density and zero volume, known as a singularity.

2. Can anything escape from a black hole?

Once an object enters the event horizon of a black hole, it cannot escape because the gravity is too strong. However, anything that falls into a black hole is not necessarily destroyed. Some theories suggest that it may be possible for information to escape through quantum processes.

3. What happens to time near a black hole?

Time near a black hole is affected by its strong gravitational pull. As objects get closer to the black hole, time appears to slow down for an observer outside the event horizon. This phenomenon is known as time dilation.

4. Can a black hole destroy the entire universe?

No, a black hole cannot destroy the entire universe. While black holes can grow in size by consuming matter, they have a finite mass and can only consume a certain amount of matter before reaching a maximum size. Additionally, the universe is constantly expanding, making it impossible for a black hole to consume everything.

5. Is it possible for a black hole to merge with another black hole?

Yes, it is possible for two black holes to merge. When two black holes are in close proximity, their event horizons can merge to form a larger black hole. This process is known as a black hole merger and can release large amounts of energy in the form of gravitational waves.

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