A star is 470 light years away & is to be 3rd magnitude.whats its absolute magnitude?

Roxi900
Asked Oct 09, 2011
Go to the web site below and scroll down to "Cosmology and Astronomy"

There are about 50 YouTube lectures that explain anything you want to know about stars.

http://www.khanacademy.org/

Rob
Answered Oct 15, 2011

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