Timeline for How can we know if a star which is visible in our night sky goes supernova?
Current License: CC BY-SA 4.0
9 events
| when toggle format | what | by | license | comment | |
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| Sep 16, 2021 at 19:03 | answer | added | M. A. Golding | timeline score: 0 | |
| Sep 16, 2021 at 18:40 | comment | added | Mike Scott | Not only can we not know if it’s gone supernova, we also can’t unambiguously say that it went supernova 3,000 years ago even when the light has reached us. The time between the supernova and now that’s perceived in the Earth’s frame of reference will be different from the time difference perceived by someone moving at a significant fraction of the speed of light relative to the Earth. | |
| Sep 16, 2021 at 16:40 | comment | added | Pete Becker | Looking far away is looking into the past. | |
| Sep 16, 2021 at 15:00 | history | tweeted | twitter.com/StackAstronomy/status/1438518059774332933 | ||
| Sep 16, 2021 at 7:47 | history | became hot network question | |||
| Sep 16, 2021 at 5:36 | answer | added | James K | timeline score: 20 | |
| Sep 16, 2021 at 0:18 | comment | added | PM 2Ring | As I mentioned here, if we could get good neutrino data from the core of a large star we could estimate how much time it has left before it goes supernova. | |
| S Sep 15, 2021 at 23:40 | review | First questions | |||
| Sep 16, 2021 at 11:10 | |||||
| S Sep 15, 2021 at 23:40 | history | asked | Schwarz Kugelblitz | CC BY-SA 4.0 |