Phobos goes around Mars three times a day — ChillScroll

The dark grooved moon Phobos flying close above the curved red surface of Mars

Phobos goes around Mars three times a day

Phobos travels only about six thousand kilometers above the Martian surface. Its close, fast orbit carries the little moon around Mars three times during one Earth day.

Mars gets morning Phobos, afternoon Phobos and evening Phobos.

Source · NASA Science ↗