2017-01-13 at 6:15 AM UTC
This is probably a dumb question and google-able but whatever, fuck the cops. So in all the regions of space we exist at strong and weak nuclear forces are much greater than the force exerted by gravity. But they're fixed right? Like the force keeping a nucleus of an atom together is just whatever, some very high finite amount of force being exerted on each of the neutrons and protons. The force exerted on each of those sub-atomic particles however is proportional to the mass of the particle but also of the other object exerting gravity on it. Is there any reason some other body couldn't be sufficiently massive that the force experienced by subatomic particles from gravity is greater than the nuclear forces holding the particle together? Could that produce fission?
I guess thinking about it gravity should be a gradient so each particle in a atom would experience about the same level of gravitational force, but still not equal, it seems like you could at least imagine a strong enough gravitational field that the delta between the gravity experienced by particles on each side of an atom is more than the nuclear force holding them together, right?
2017-01-13 at 7:10 AM UTC
In nature there are no phenomena that exert gravity from two different sources as to in effect rip the particles apart. This does not mean that this is outlawed by any fundamental law of the Universe. I would say that it is possible this happens as particles fall into a black hole.
It might be interesting to note that in the case of neutron stars, the forces of gravity are so intense that electrons get pushed into protons to form neutrons. Hence the name. In the case of black holes even the neutrons get smashed together even though this is actually not allowed because it is generally forbidden for two fermions of equal spin to occupy the same quantum state(Read degeneracy pressure).
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2017-01-14 at 3:47 AM UTC
What a dumb question. Everyone, EVERYONE knows the answer to this. PFFFFT
2017-01-16 at 1:38 AM UTC
The sun will never cool off a bit, without other huge mass come closer.
It won't happen soon, the closest star is 4 light years away.
If Earth temperature suddenly becomes as high as the Sun, what would happen?
All nuclear fuel will be instantly ignite and release energy, after that no more nuclear reaction at all.
That is the Sun's fate also.
2017-02-07 at 12:44 AM UTC
gravity in black holes pretty much rips everything up, makes all particles crash into each other and annihilate themselves and spits the remnants out as gamma rays I believe. I could be wrong though
