December 27, 2012

Magnetar: The Anniversary of an Epic Cosmic Blast

Phil Plait, Slate

AP Photo

Eight years ago today—on Dec. 27, 2004—the Earth was rocked by a cosmic blast so epic its scale is nearly impossible to exaggerate.

The flood of gamma and X-rays that washed over the Earth was detected by several satellites designed to observe the high-energy skies.

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TAGGED: Space, Satellites, Magnetar


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