ice crystals

Mysterious Flashes Coming From Earth That Puzzled Carl Sagan Finally Have An Explanation

NASA's EPIC camera aboard NOAA's DSCOVR spacecraft solves decades old mystery that stymied Carl Sagan. Mysterious flashes are mysterious no…

7 years ago

If Pigs Could Fly – A Quick Guide to Solar Halos and Other Curiosities

Call it a porcine occultation. It took nearly a year but I finally got help from the ornamental pig in…

10 years ago