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supernovaesupernovae
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A pulsar plucks the Guitar Nebula
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A pulsar plucks the Guitar Nebula

Super-high-speed electrons from a dead star are plowing through the gas

Philip Plait
Philip Plait
supernovaesupernovae
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When did the Universe first get wet?

When did the Universe first get wet?

Water is simple, but it took time for the cosmos to brew the ingredients.

Philip Plait
Philip Plait