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Mars’ moon Phobos is destined to become a ring

Phobos, it seems, is not long for this universe — at least on the large cosmic timescale. Astronomers have long known that Phobos, the larger and nearer of the two martian moons, is slowly spiraling inward to eventual destruction. The end result won’t be pretty: Phobos will slip closer and closer toward Mars, then strike Continue reading "Mars’ moon Phobos is destined to become a ring" The post Mars’ moon Phobos is destined to become a ring appeared first on Astronomy Magazine .