A Portrait Of Fear

Phobos, one of Mars’ two moons.

The Red Planet, named for the Roman god of war, has two small moons: Phobos (fear) and Deimos (panic.)

It’s believed that the two objects are captured asteroids. The larger of the pair—Phobos—orbits extremely close to Mars, hanging at a distance of a mere 3,600 miles above it. By comparison, the Moon is 250,000 miles away from us.

The grooves on Phobos are perhaps the result of Mars’ gravitational tug, and are the early symptoms of its disintegration into a ring around Mars.



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