Making sense of Mars' tiny moon Phobos
Mars' innermost moon, Phobos, has long puzzled planetary scientists, who have continually debated whether it's a captured asteroid or formed from debris after a giant impactor struck the Martian surface. The key to solving the mystery mainly rests with a better understanding of Phobos' internal stru...
Image: Phys.org
Mars' innermost moon, Phobos, has long puzzled planetary scientists, who have continually debated whether it's a captured asteroid or formed from debris after a giant impactor struck the Martian surface. The key to solving the mystery mainly rests with a better understanding of Phobos' internal structure, which unfortunately remains a "known unknown."
Originally published at Phys.org
