118K views · 1.9K reactions | Did you know Mars has two small moons? They’re called Phobos and Deimos. Unlike our large, round Moon, these Martian moons are tiny and oddly shaped, looking more like captured asteroids than planets’ moons. Scientists believe they were once space rocks pulled in by Mars’ gravity. Spotting them reminds us how unique the Red Planet is — and how many mysteries it still hides. ✨ #space #SpaceX #NASA #fblifestyle | Nighttime Journey | Facebook

59K views · 1.1K reactions | The moon Phobos has a mysterious origin – but a certain expiration date. Learn more on "Solar System: Wandering Worlds": https://to.pbs.org/48DwE2r | NOVA l PBS | Facebook