Geomagnetic storm
I rode the Monster up Page Mill road and Skyline tonight around 11pm, in order to check out whether the recent massive solar flare and the resulting particle storm would generate some aurora borealis. There wasn’t much of that in the sky though, just the stars and an occasional meteorite. Anyway, more astronomical pleasure can be found on this Hubble homage (thanks to Dave Biegelsen for the link).
