Watch video The Moons of Mars Explained -- Phobos & Deimos MM#2 online without registration, duration 01 minute 55 second in high hd quality. This video was added by user Kurzgesagt – In a Nutshell 12 May 2014, don't forget to share it with your friends and acquaintances, it has been viewed on our site 4 million once and liked it 67 thousand people.