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2025-11-17 -Signs, Portents, and the Weather-

An astronomer has assessed humanity's chances of surviving a supernova explosion.

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Posted by badanov 2025-11-17 00:00|| E-Mail|| Front Page|| [1777 views ] Top

1 What SPF level would that require?

Posted by Super Hose 2025-11-17 06:12|| 2025-11-17 06:12|| Front Page Top

2 located approximately 550 light-years away

So we'll be seeing an event that occurred 550 years ago.

Posted by Procopius2k 2025-11-17 06:29|| 2025-11-17 06:29|| Front Page Top

3 within 10,000 to 100,000 years

Ah'l prob miss it.

Posted by Skidmark 2025-11-17 07:43|| 2025-11-17 07:43|| Front Page Top

4 red supergiant Betelgeuse, located approximately 550 light-years away.

Is the Inverse Square Law still in effect, or has a district judge issued a temporary injunction?

Posted by SteveS 2025-11-17 09:09|| 2025-11-17 09:09|| Front Page Top

5 Sometimes you can get a jet of particles along the axis of rotation of the star, which would increase the particle density, and thus the dangerous range, in that direction.
For a discussion of a supernova in our solar system, check
https://what-if.xkcd.com/73/

Posted by James the lesser 2025-11-17 09:53|| https://idontknowbut.blogspot.com 2025-11-17 09:53|| Front Page Top

6 Why would I worry about a supernova? I'm more concerned about Tennessee drivers when it starts snowing.

Posted by Mercutio 2025-11-17 10:05|| 2025-11-17 10:05|| Front Page Top

7 It's 'Super' unleaded I'm concerned about.

Posted by Besoeker 2025-11-17 10:51|| 2025-11-17 10:51|| Front Page Top

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