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Sunspot 1121 Unleases X-ray Flare

Sunspot 1121 Unleashes X-ray Flare

Sunspot 1121 Unleashes X-ray Flare

NASA/SDO/AIA: Radiation from the flare created a wave of ionization in Earth’s upper atmosphere that altered the propagation of low-frequency radio waves. There was, however, no bright CME (plasma cloud) hurled in our direction, so the event is unlikely to produce auroras in the nights ahead.

This is the third M-flare in as many days from this increasingly active sunspot. So far none of the eruptions has been squarely Earth-directed, but this could change in the days ahead as the sun’s rotation turns the active region toward our planet.

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Posted by on Nov 10 2010. Filed under Featured, Space. You can follow any responses to this entry through the RSS 2.0. Both comments and pings are currently closed.

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