Spitzer telescope goes dark, leaving bright legacy

NASA sent its final command to the Spitzer Space Telescope today, ending more than 16 years spent studying alien planets, dusty nebulas and distant galaxies in infrared wavelengths.

Get the news brief on GeekWire.

By Alan Boyle

Mastermind of Cosmic Log, contributor to GeekWire and Universe Today, author of "The Case for Pluto: How a Little Planet Made a Big Difference," past president of the Council for the Advancement of Science Writing.

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