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The Alaska Coin Exchange Library
presents:
Astronomy Magazine
October 2007
Cover Stories:
The brightest supernova in 400 years changed astrophysics
How the Big Bang forged the first elements: Echoes from the first minutes have changed scientists minds about cosmic origins
Observe autumn's best nebulae
See Mars in high definition
Family ties reveal asteroid origins
Stargazing in New York City
Equipment reviews
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