Strong Geomagnetic Storm Hits Tonight Sept. 7-8

The big aurora blast we were waiting for appears to have fizzled with only a minor spike in activity. But the sun has more in store. Wednesday’s giant X9.3 flare in sunspot group 2673 sparked a coronal mass ejection (CME) that’s arrived sooner than expected. It slammed Earth’s magnetosphere around 6 p.m. (Central time) this evening and…
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Solar Storm Headed Our Way / Aurora Alert Tonight Sept. 6-7

The large sunspot group, active region 2673, that grew in great haste over the weekend, has proceeded to shoot out flares like a 4th of July fireworks display. Seven moderate or M-class flares erupted Monday and five more on Tuesday. During one of Monday’s flares, the spot group launched a CME or coronal mass ejection toward…
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What, No Harvest Moon This Month?

Tonight’s the Full Corn Moon, so if you like corn on the cob, salute the rising moon with a buttered ear this evening. We usually know September’s full moon as the Harvest Moon but not this time around. By definition, the Harvest Moon is the full moon that falls closest to the autumnal equinox. I see…
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Grab Those Eclipse Glasses — See These Giant Sunspots!

Last night I called my Mom to talk and mentioned she could use her eclipse glasses to see the huge sunspots that now blotch the sun. Unfortunately, she thought the glasses were for one-time use and threw them out after the eclipse! “No, no, no,” I told her. “They’re good to look at the sun any…
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It’s September, Time For My Orion Fix

Each summer, I look forward to seeing Orion return to the morning sky. Hidden by daylight from May through early August, we share the nights instead with the Summer Triangle crew and favorite sky animals Draco the dragon and Delphinus the dolphin. But Earth keeps a movin’ around the sun, displacing one set of constellations for…
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