Space
2 June 2020
By Leah Crane
For Mars’s moon Phobos, it’s dust to dust. There is evidence that the misshapen little moon has gone through a cycle of being smashed up and spreading into a ring around Mars before coalescing into a solid moon again.
This ring-moon cycle was proposed in 2017, and new simulations by Matija Ćuk at the SETI Institute in California, and his colleagues show that such a cycle for Phobos may have forced Mars’s other moon, Deimos, …
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