All Questions
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Why is a black hole referred to as massive? [duplicate]
I am reading Brief Answers To The Big Questions by Stephen Hawking. In the very first chapter he writes,
A typical black hole is a star so massive it has collapsed on itself. It's so massive that not ...
0
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1
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671
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How does black hole suck light? [duplicate]
I was asked the same by my friend. I said that gravitational attraction also occurs for high energy particles .
My friend said photon is not so very high energy particle which I found on net. He ...
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2
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93
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If black hole sucks in all masses, why does it suck in light if it is a form of energy (energy does not have mass)? [duplicate]
I have been searching for a long time for the answer.
1
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1
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203
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Sean Carroll's photons on top of one another
I don't have training in physics, only in mathematics.
The following is a passage from From Eternity to here by Sean Carroll, which I wanted to clarify.
Photons can be piled on top of one another ...
0
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2
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3k
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How does a Black hole attract light? [duplicate]
Please no hate for lack of knowledge:
I am somewhat fascinated with the subject of black holes. However, I do not understand a concept which is constantly attributed with black holes: that a black ...
4
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2
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8k
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If photons have no (rest) mass, why would black holes attract light? [duplicate]
I was told that photons have no (rest) mass. However I thought that black holes are called "black" because no light can go escape the gravity force in their vicinity. I somehow think that, if light is ...
3
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2
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3k
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Why do photons add mass to a black hole?
Why do photons add mass to a black hole?
When photons are taken irreversibly into a black hole does the mass of the BH increase?