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c/astronomy · by kalkulat@lemmy.world · 1y

How close can you be to a supernova? before things get ugly

https://www.scientificamerican.com/article/is-earth-safe-from-a-nearby-supernova/

12 points · 3 comments · view on lemmy.world

3 Comments

lurch@sh.itjust.works · 7 pts · 1y (1 reply)

The 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 🙄😄

MysteriousSophon21@lemmy.world · 3 pts · 1y

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.

ZealotOfLuna@lemmy.world · 2 pts · 1y

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