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    Huge red star might explode soon and next few weeks are critical

    Huge red star might explode soon and next few weeks are critical

    https://www.cnet.com/news/huge-red-s...-are-critical/

    It's well known Betelgeuse has no more than about 100,000 years left to burn and could start its death throes just about anytime between now and then. When it does go supernova, it's expected to result in a dramatic light show that could be visible in daylight and appear brighter than the full moon for a few weeks. The last time humans were treated to such a sight was the 17th century.
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    Betelgeuse is 642.5 light years from Earth. If it went supernova now, wouldn't it take that many years for us to see it?

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    Betelgeuse, Betelgeuse, Betelgeuse!

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    Quote Originally Posted by Circle_10 View Post
    Betelgeuse, Betelgeuse, Betelgeuse!
    I see what you did there.

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    Quote Originally Posted by grnamin View Post
    Betelgeuse is 642.5 light years from Earth. If it went supernova now, wouldn't it take that many years for us to see it?

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    Correct, yes.


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    Quote Originally Posted by jpmuscle View Post
    Quote Originally Posted by grnamin View Post
    Betelgeuse is 642.5 light years from Earth. If it went supernova now, wouldn't it take that many years for us to see it?
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    Correct, yes.
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    Or more precisely, It may have already gone supernova 642 or so years ago, in which case we'll only now be seeing that event happen sometime over the next few weeks.
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    When Columbus sailed the ocean blue, the red giant, Betelgeuse, went supernova and BLEW!!!
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    Quote Originally Posted by grnamin View Post
    Betelgeuse is 642.5 light years from Earth. If it went supernova now, wouldn't it take that many years for us to see it?

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    When we talk about things 'happening' we talk about being able to see it, in that that light has reached us.

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    Quote Originally Posted by grnamin View Post
    Betelgeuse is 642.5 light years from Earth. If it went supernova now, wouldn't it take that many years for us to see it?

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    Yes, and maybe no.

    If it produces Gamma Ray's, there are theories that Gamma Ray's can travel faster then light.

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