Crazy Astronomy

Crazy Astronomy helps amateur astronomers to get info about the live sky and also to learn many things about astronomy.

Sunday, January 23, 2011

Chapter 5: The Scale of Things

Betelgeuse , also known by its Bayer designation Alpha Orionis ( α Orionis , α Ori ), is the ninth brightest star in the night sky and se...

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ASTRONOMERS AND EDITORS

Arun Bharadwaj

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