The_Sympathizer
  • Member for 6 years, 2 months
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How is information preserved on the surface of a Black Hole?
2 votes

This is not something that I believe is known at this time. Rather, it's conjectural. My answer here, though, is to address your two points of doubt regarding how that this can work, as I don't feel ...

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Can one see a black hole?
6 votes

Yes, we can, indeed, "see" a black hole and we just did not too long ago. You see, being able to "see" an object is not solely about "reflection" alone: rather, you "see" things by them interacting ...

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Are photons aged?
1 votes

This depends on who exactly is doing the measuring. There is a very real sense, despite the answers here perhaps either downplaying or not quite getting directly at it enough, in which you can ...

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How long do solar eclipses last on Metis?
Accepted answer
1 votes

I am not sure of any direct measurement, but it can be figured out rather easily and accurately from theory with a little bit of maths. We have the following parameters for Metis and Jupiter (taken ...

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What are iron stars?
3 votes

"Iron stars" are a hypothetical kind of stellar remnant - similar to a neutron star or white dwarf - that are hypothesized to form in the far future of a Universe undergoing heat death, under the ...

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Can a planet exist with the same mass as the earth, but have a different diameter?
5 votes

Yes, a planet can exist with the same mass as Earth, but have a different diameter - if it has a different density. The lower the density, the larger will be the diameter. In terms of an exact formula,...

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If fusion only happens near the center of the sun, what's with all the "fire" on the surface?
Accepted answer
6 votes

The "fire" on the surface arises because the core is really, really hot. If something has a hot interior, then its exterior will also get hot, even if not as hot as that interior is. You can see this ...

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Why doesn't it hurt to look at stars?
2 votes

Distance is important, as is surface brightness, but there's also one more thing that has not been let onto here. First, a recap. For one, the fact that while total brightness falls with distance, ...

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Why are there no stars visible in cislunar space?
2 votes

The reason is that: To take a photograph under different lighting conditions, you need to use different camera settings to get a useful image. Cameras (and the human eye) do not have unlimited range ...

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Why does it take so long to transmit an image from New Horizons to Earth?
46 votes

The other answer mentions it, but this gives a bit more theory as to the why. It's effectively for the same reason that your phone or Wi-Fi don't work as well and slow down when that they are far ...

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How long is a "lunar month" in Jupiter?
2 votes

This is basically a question of asking about the time of simultaneous recurrence of periodic events happening with some given period, and thus is fundamentally mathematical, and it is a type of ...

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