Friday, November 1, 2019

The Coming of the Martians


Today's Astronomy Picture of the Day shows an overexposed Mars and a overexposed 51 Ophiuchi. Look carefully around the "halo" of Mars, at about 1:00 PM on the "clock dial" and you'll spot Comet Siding Spring (C/2013 A1) making a close approach to the Red Planet. 


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