Last quarter moon Oct. 22, 2016. Credit: Bob King

Moon At Last Quarter, Aurora On Deck

Beautiful blue sky morning. I walked the dog, noted the light coating of frost on the lawn and looked up to see a crisp last quarter moon riding over the poplar tops. Only a few yellow-brown leaves wagged way up there, but the contrasts of sky, moon and autumnal color made for a refreshing way…
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Corona aurora May 6, 2016. Credit: Bob King

Aurora Predicted Tonight But Will We See It?

A potentially bright aurora is in the forecast this evening (Oct. 13). The sun shot a CME or coronal mass ejection almost directly toward the Earth in the early morning hours of Oct. 9. After a journey of 93 million miles, the busy cloud of electrons and protons is expected to arrive this afternoon and rile our…
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Credit: NASA / ESA

One-Two Solar Punch Could Ignite Auroras Aug. 2

A blast of solar plasma coupled with a gust of particles from a coronal hole has left the gate and is now racing toward Earth. NOAA space weather forecasters in Boulder, Col. are predicting that the duo of duo of subatomic solar exhalations will reach our planet sometime tomorrow morning (Aug. 2) and initiate a…
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Aurora coupleFEA

Valentine’s Night Aurora May Melt Your Heart

Good news if you’re looking for a last minute Valentine’s Day gift. An explosive coronal mass ejection (CME) on late on Feb. 11 sent a cloud of high-speed, flea-like electrons and protons toward Earth. They’re expected to get here late tomorrow afternoon and spark a minor display of the northern lights. This will probably be…
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Sun SDO combo UV Dec28_2015FEA

Aurora May Drop By Your New Year’s Eve Party

Big sunspot group 2473 cut loose a long-lasting M-class flare earlier today. The explosion produced a fast-moving bubble of plasma directed toward Earth. Plasma, a hot mix of negatively-charged electrons and positively-charged ions (atoms that have lost an electron) may look like a gas but it behaves differently enough to be considered its own state of…
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