Everything we thought we knew about Mars’ moon Deimos could be wrong

The red planet Mars, fourth from Earth’s sun, has two little moons: Phobos¬†and Deimos. Neither is anything like Earth’s moon: small and irregularly shaped, astronomers have long believed that they are more likely captured asteroids, pulled into the Martian orbit by the red planet’s gravity and then kept there indefinitely as makeshift moons....

Originally posted on salon.com