Astronomy Photo of the Day (APotD): 10/24/14 — Siding Spring Travels Past Mars

Over the weekend. comet ‘Siding Spring’ made history when it ventured past Mars. Finally, we have a truly spectacular image of the comet with Mars. Learn more here: http://bit.ly/10rwpEA

Image Credit: NASA, ESA, PSI, JHU/APL, STScI/AURA