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    RickJ's Avatar
    RickJ Posts: 7,762, Reputation: 864
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    #1

    Jun 21, 2007, 12:53 PM
    Don't believe everything you read
    Maybe better in Mbr Discussions, but I think good too in Science.

    How far is this star or that star? Google it for the answer, right? Well, not always. Check this out:
    How far is Betelgeuse?

    I have spoken to Mr. Cannon (the webpage author) on a couple of occasions. Great guy. Great webpage too.
    Credendovidis's Avatar
    Credendovidis Posts: 1,593, Reputation: 66
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    #2

    Mar 25, 2008, 06:51 AM
    Good point : do not accept all data found on the Internet as scientific proved fact.
    Always go to real scientific sites for proper references. Like university sites.
    .
    By the way : Betelgeuse is a special case, because of it's status as superstar at the brink of a final collapse to neutron star or - even more likely - to a black hole. It's "current" luminosity is influenced by dust and dirt on - and pulsations of - the surface, making it impossible to provide a proper distance calculation.
    Actually for those who like to know : Betelgeuse is between 420 and 470 light years away.
    If we are lucky we may see it blow up as super-nova within our lifetime!
    ;)
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