astronomyยทAstronomybykalkulatย How close can you be to a supernova? before things get uglyhttps://www.scientificamerican.com/article/is-earth-safe-from-a-nearby-supernova/Open linkView original on lemmy.world12Comments3
llurch (he/him)ย sh.itjust.works1Hide 1 replyThe article says a supernova would have to be less than about 160 light-years from Earth to inflict this sort of damage. and links to this source: https://arxiv.org/pdf/2210.11622 They should've led with that, but you know writers ๐๐7
MMysteriousSophon21ย replylemmy.worldThe closest star that could go supernova is IK Pegasi at around 150 light-years away, but it's actually moving away from us which is pretty intersting cosmic insurance policy.3
ZealotOfLunaย lemmy.worldKurzgesagt made a fairly entertaining video about the effects of a supernova on Earth at different ranges: https://youtu.be/q4DF3j4saCE?si=l-6wyBJo_Ouwq2wg2
The article says
and links to this source: https://arxiv.org/pdf/2210.11622
They should've led with that, but you know writers ๐๐
The closest star that could go supernova is IK Pegasi at around 150 light-years away, but it's actually moving away from us which is pretty intersting cosmic insurance policy.
Kurzgesagt made a fairly entertaining video about the effects of a supernova on Earth at different ranges:
https://youtu.be/q4DF3j4saCE?si=l-6wyBJo_Ouwq2wg