Tuesday, 6 December 2011
A Neat Trick to Understand the Size of the Galaxy | One-Minute Astronomer
A Neat Trick to Understand the Size of the Galaxy | One-Minute Astronomer: The nearest star, Proxima Centauri, is some 25 trillion miles away. The Orion Nebula lies about 8,000 trillion miles away. And we are some 162,000 trillion
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