On the Cover: Gas left over from a 340-year-old stellar explosion is seen in this detail from a composite X-ray-infrared-optical image of the supernova remnant Cassiopeia A. Write for StarDate Magazine Writer's Guidelines (84K pdf -- free Adobe Acrobat software is required to view the document.)

Stirring Up a Supernova
The most massive stars -- in the heavens, not Hollywood -- do indeed 'live hard, die young, and leave a beautiful corpse.'

Misfit Pulsars
A newly discovered type of irregular pulsar may outnumber the well-known radio flashers in our galaxy.

In Every Issue
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• Merlin answers your most compelling questions about the universe
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• Official Vote Leaves Pluto Out in the Cold, but Astronomers Say the Debate is Far from Over
• Black Holes May Shut Down Starbirth in Hearts of Galaxies
• Lunar Mission Ends with a Bang
• Constant Controversy Bedevils Hubble's Magic Number
• Sun Cycle Defies Computer Predictions

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