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Astronomie - SDO sieht extremen X-Flare

 

 

For days, giant sunspot AR1515 has looked capable of producing a really strong explosion. On July 6th it finally did. Yesterday, the sunspot's magnetic canopy erupted, producing a brief but potent X1.1-class solar flare. NASA's Solar Dynamics Observatory recorded the extreme ultraviolet flash:

 

 

Animation: SDO - NASA

 

The explosion hurled a CME into space. According to this movie from the Solar and Heliospheric Observatory, the cloud appears to be heading south and away from Earth. However, we cannot yet rule out a glancing blow to our planet on July 8th or 9th.

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