All Questions
4 questions
20
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2
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Sun light takes 1,000/30,000/100,000/170,000/1,000,000 years bouncing around inside to then reach the Earth
When light (photon particle) is generated inside the Sun, it takes a long time to bounce around inside to later escape and travel outwards.
Neutrinos escape immediately.
The numbers for the years ...
- 548
1
vote
1
answer
242
views
How many $pep$-related electron-neutrinos $\nu_e$ does the Sun produce?
In the sun neutrinos can be produced by the rare proton-electron-proton (pep) reaction:
$$ {}^1_1 H + e + {}^1_1 H \to {}^2_1 H + \nu_e $$
How many pep-related electron neutrinos does the Sun ...
10
votes
1
answer
3k
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How much of neutrinos pass through a neutron star?
Neutrino rarely interact with matter however neutron star is extremely dense and I suppose only an insignificant amount of neutrinos can pass through the densest object in the universe second to black ...
- 13.1k
8
votes
1
answer
516
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Is a Betelgeuse supernova able to neutralise earth's nuclear arsenal?
According to an article on newscientist.com, a neutrino beam could neutralise nuclear bombs by inducing a slow meltdown of the nuclear fuel. The neutrino generator
would need to be more than a ...
- 1,297