The eccentric orbit of the Martian moon Phobos could drive the flow of powder across the moon's surface, a new study finds, shedding light on Phobos' mysterious origins.
https://www.space.com/mars-moon-phobos-orbit-surface-powder.html
The eccentric orbit of the Martian moon Phobos could drive the flow of powder across the moon's surface, a new study finds, shedding light on Phobos' mysterious origins.
https://www.space.com/mars-moon-phobos-orbit-surface-powder.html