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The Alaska Coin Exchange Library
presents:
Astronomy Magazine
March 2007
Cover Stories:
Messier catalog of 109 sky treats
Window into the violent universe: Extreme Stars; Superdense neutron stars show astronomers exotic worlds of pressure, magnetism, and gravity
What makes stars explode?
See winter's best planetary nebulae
Mars updates
Secrets of the brightest galaxies
Touchdowns on other worlds illustrated
How to search for supernovae
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