Timeline for How are neutrinos able to cause a supernova explosion?
Current License: CC BY-SA 4.0
15 events
| when toggle format | what | by | license | comment | |
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| Jun 9 at 0:39 | comment | added | PM 2Ring | @Michael The neutrinos (& antineutrinos) emitted during core collapse have a huge effect on the collapsing core: they cool it down, as ProfRob mentions. | |
| S Jun 8 at 5:40 | history | suggested | CommunityBot | CC BY-SA 4.0 |
more useful title, removed fluff
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| Jun 8 at 4:46 | review | Suggested edits | |||
| S Jun 8 at 5:40 | |||||
| Jun 7 at 14:43 | vote | accept | Kshitij Kumar | ||
| Jun 7 at 10:29 | comment | added | ProfRob | The neutrinos we receive beyond the supernovae are from the "neutrinosphere" - that region close to the centre of the collapsed star from which neutrinos are able to escape. The neutrinosphere will initially be somewhere behind the shock front and will shrink back towards the surface of the proto-neutron star as it cools. | |
| Jun 6 at 22:34 | history | edited | Russell Borogove | CC BY-SA 4.0 |
added 11 characters in body
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| Jun 6 at 19:20 | comment | added | Darth Pseudonym | In the core that's currently collapsing into neutronium? I imagine it does have some neutrino interactions, but I assume it would either be a neutron capturing a neutrino and splitting into a proton + electron (the inverse of the collapse, slightly slowing the process) or a proton interacting with a neutrino which would IIRC just deflect the neutrino and generate some heat, I guess? I don't think the core fails to interact, it just doesn't have anything particularly special that happens when it does. As opposed to the layers just above the core, which can trigger fusion. | |
| Jun 6 at 15:27 | comment | added | Michael | @DarthPseudonym One thing I didn't take away from reading that was how exactly the neutrinos "blast" could be so massive on Earth, and yet have no apparent effect on the core itself where the neutrino density is many orders of magnitude higher. Is the core just too massive or have too much momentum to be affected? | |
| Jun 6 at 11:44 | comment | added | Mithoron | There's a lot in supernovae, but no doubt. | |
| Jun 6 at 6:18 | answer | added | ProfRob | timeline score: 14 | |
| Jun 6 at 5:44 | history | became hot network question | |||
| Jun 6 at 5:34 | comment | added | PM 2Ring | I have some info about thermal neutrino-antineutrino pair production during a core collapse supernova, at the end of physics.stackexchange.com/a/563986/123208 But also see physics.stackexchange.com/q/636750/123208 | |
| Jun 6 at 1:30 | answer | added | db48x | timeline score: 15 | |
| Jun 5 at 21:15 | comment | added | Darth Pseudonym | This question just reminds me very strongly of what-if.xkcd.com/73 and I strongly recommend reading it, if only because Randall Munroe is a very fun writer, but it also starts to answer this question. | |
| Jun 5 at 20:02 | history | asked | Kshitij Kumar | CC BY-SA 4.0 |