Phobos (moon) - Wikipedia
Phobos is a small, irregularly shaped object with a mean radius of 11 km (7 mi). It orbits 6,000 km (3,700 mi) from the Martian surface, closer to its primary body than any other known natural satellite to a planet. It orbits Mars much faster than Mars rotates and completes an orbit in just 7 hours and 39 minutes.
Phobos - NASA Science
Phobos is the larger of Mars' two moons and is 17 x 14 x 11 miles (27 by 22 by 18 kilometers) in diameter. It orbits Mars three times a day, and is so close to the planet's surface that in some locations on Mars it cannot always be seen.
Transit of Phobos from Mars - Wikipedia
A transit of Phobos across the Sun as seen from Mars takes place when Phobos passes directly between the Sun and a point on the surface of Mars, obscuring a large part of the Sun's disc for an observer on Mars.
Moons of Mars: Amazing Photos of Phobos and Deimos | Space
Jan 14, 2014 · See stunning photos of Phobos and Deimos, the small moons of Mars, as seen by spacecraft on and orbiting the Red Planet. Phobos is the largest moon of Mars, with Deimos as a smaller satellite.
Phobos: Facts About the Doomed Martian Moon | Space
Dec 8, 2017 · In Greek mythology, Phobos was one of the sons of the god of war Ares (Mars to the Romans). The twin sons attended their father in battle. Phobos means fear (as in phobia), while Deimos means...
Behold! 1st-ever photo of Earth and Mars' moon Phobos …
Sep 18, 2024 · NASA's Curiosity rover has captured a spectacular sight from the surface of Mars: The first-ever photo of Earth alongside the Red Planet's moon Phobos.
Moons of Mars - Science@NASA
Phobos is the larger of Mars' two moons. It orbits Mars three times a day, and is so close to the planet's surface that in some locations on Mars it cannot always be seen. Phobos is nearing Mars at a rate of six feet (1.8 meters) every hundred years.
Phobos: Distance, Differences, Facts, Size, Surface
Aug 26, 2024 · Phobos orbits Mars at a distance of only 3,700 miles (6,000 km) from the surface, whereas Earth’s Moon orbits at 239,000 miles (384,400 km) from Earth. Phobos rises in the west and sets in the east when viewed from Mars, unlike Earth’s Moon which moves east to west across Earth’s sky.
Phobos | Orbit & Surface Features | Britannica
Phobos, the inner and larger of the two moons of Mars, in a composite of photographs taken by the Viking 1 orbiter in October 1978 from a distance of about 600 km (370 miles). The most prominent feature is the impact crater Stickney, which is almost half as wide as the moon itself.
In Depth | Phobos – NASA Solar System Exploration
Phobos, gouged and nearly shattered by a giant impact crater and beaten by thousands of meteorite impacts, is on a collision course with Mars. Phobos is the larger of Mars' two moons and is 17 x 14 x 11 miles (27 by 22 by 18 kilometers) in diameter.