What would be the consequence to our night sky if the star Betelgeuse exploded in January?

Joshua2017-03-23T09:10:40Z

Well, assuming that it went supernova about 650 years ago, we should be finding out any minute now.

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Alpha Beta2017-03-21T02:52:10Z

We would not notice it for 642 years.

10

?2017-03-21T01:39:06Z

In about 650 years, there would be a very bright star visible in daylight for a while.

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Quadrillian2017-03-21T01:19:40Z

Pretty supernova that would appear as a star a little brighter than Venus. Possible auroral displays.

Cheers!

10

quantumclaustrophobe2017-03-21T00:18:41Z

Well... we wouldn't know about it for more than 600 years, so... I'd say none.

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