Phobos

Phobos and Deimos are the remnants of a much larger Martian moon blown apart one billion years ago

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The moons of Mars — Phobos and Deimos — are two fragments of what was once a much larger Martian satellite that was blown apart by a huge collision, a study finds.  It is thought the collision between the moon and a stray rock, potentially an asteroid, occurred between one and 2.7 billion years ago … Read more

Mars’s moon Phobos was once a ring of rubble around the Red Planet

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Mars’s moon Phobos was once a ring of rubble around the Red Planet that clumped together to form a solid ball – and it may disintegrate again in about 100 million years Astronomers from the SETI Institute looked at the orbit of the two Martian moons They wanted to confirm a 2017 theory that Phobos … Read more