NASA's Hubble Sees Martian Moon Orbiting the Red Planet
Thursday, July 20, 2017 - 23:22
in Astronomy & Space
While photographing Mars, NASA's Hubble Space Telescope captured a cameo appearance of the tiny moon Phobos on its trek around the Red Planet. Hubble took 13 separate exposures over 22 minutes to create a time-lapse video showing the moon's orbital path.