Earth forces have sent an expedition to the Martian moon of Phobos, but to the disappointment of Doom fans there’s no hell-portal in sight. What there is (and it’s significantly more spectacular than an ancient video game) is an awesome view of both moons at once: Phobos and Deimos passing the probe in a Mars-centric three way. The Martian moon movie was captured by the European Space Agency’s Mars Express mission, their first interplanetary effort which has been recording the red planet for the last five years
Excerpt from:
Mapping Mars’ Moons: "The Movie"













