Phobos to create ring around the Red Planet
Martian moon doomed to crumble into orbiting rubble, simulations suggest
![Phobos in 1977](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/11/112315_cc_Phobos_free.jpg?fit=860%2C460&ssl=1)
DOOMED MOON Stickney crater (left) on Phobos, seen in this 1977 image from Viking 1, helped researchers predict that the moon will crumble into a ring around the Red Planet.
NASA