AstroBlog Follow Friday & Weekly Stumbles For 2012-07-13 

Solar Flare: Another M-Class Flare from Sunspot 1515

Active Region 1515 has now spit out 12 M-class flares since July 3. Early in the morning of July 5, 2012 there was an M6.1 flare. It peaked at 7:44 AM EDT. This caused a moderate — classified as R2 on the National Oceanic and Atmospheric Administration’s space weather scale — radio blackout that has since subsided. Continue reading

AstroBlog Follow Friday & Weekly Stumbles For 2011-12-30 

Twin NASA Probes Have New Year

No matter how exciting your plans are for New Year’s, two NASA spacecraft have you beat – they’ve got a date with the moon. After more than three months of spaceflight, NASA’s twin Grail probes are set to start orbiting the moon this weekend, with Grail-A arriving Saturday (Dec. 31) and Grail-B following on Sunday (Jan. 1). Continue reading

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