How the Biggest Mars’ Moon Got Those Mysterious Grooves

The satellites of the Red planet were named after the sons of Ares — Phobos and Deimos, which means “fear” and “horror.”

NASA’s Viking orbiter took new photos of the satellites and found that the entire surface of Phobos was covered with huge grooves.

This means that Phobos has experienced not one but many traumatic events. Scientists have proposed several theories on how and what happened. If one day we really colonize Mars, studying its moons can help us a lot.

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