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Jun 4, 2020

We Just Got Even More Evidence Mars Once Had a Ring

Posted by in category: space

Mars — glorious, dusty, complex Mars — may once have been even more dazzling. New research provides even more evidence that a rubbly ring once circled the Red Planet.

The new clue lies in Deimos, the smaller of the two Martian moons. It’s orbiting Mars at a slight tilt with respect to the planet’s equator — and this could very well be the result of the gravitational shenanigans caused by a planetary ring.

Ring systems aren’t actually all that uncommon. When you think about ring systems, your mind immediately leaps to Saturn, no doubt — but half the planets in the Solar System have rings, Saturn, Uranus, Neptune, and Jupiter. Dwarf planet Haumea, and centaurs Chiron and Chariklo also have rings.

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