Phobos (moon) - Wikipedia
WEBPhobos 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. [ 11 ] .
Phobos - NASA Science
WEBPhobos 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.
Phobos: Facts About the Doomed Martian Moon | Space
WEBDec 8, 2017 · The Martian moon Phobos orbits only a few thousand miles above the Red Planet's surface. Its proximity to its planet is one of the reasons astronomers were unable to see the satellite...
Phobos | Orbit & Surface Features | Britannica
WEBAug 26, 2024 · 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.
Mars' Moons: Facts About Phobos & Deimos | Space
WEBDec 8, 2017 · Phobos has the closest orbit to its primary of any moon in the solar system, but still only appears a third as wide as Earth's full moon. Phobos orbits only 3,700 miles (6,000 km) from the...
ESA Science & Technology - Martian moons: Phobos
WEBSep 1, 2019 · It orbits once every 7 hours 39 minutes just 5989 km above the surface of Mars. Its orbit is decaying by 1.8 cm per year, so it is expected to crash into Mars, or break up to leave a ring of fragments around the planet, within 100 million years.
In Depth | Phobos – NASA Solar System Exploration
WEBPhobos 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.
Phobos - NASA
WEB9 Phenomena NASA Astronauts Will Encounter at Moon’s South Pole. article 4 days ago. Highlights. 5 min read. NASA Finds Summer 2024 Hottest to Date. article 4 days ago. ... NASA Orbiter Steers Clear of Mars Moon Phobos. Article. 2 Min Read. MAVEN Observes Mars Moon Phobos in the Mid- and Far-Ultraviolet. Multimedia Go …
ESA - Martian moon Phobos in detail - European Space Agency
WEBNov 11, 2004 · Phobos in black and white, close-up. This tiny moon is thought to be in a ‘death spiral’, slowly orbiting toward the surface of Mars. Here, Phobos was found to be about five kilometres ahead of its predicted orbital position.
Perseverance Views a Transit of Phobos
WEBMar 6, 2024 · By comparing the various recordings, scientists can refine their understanding of the potato-shaped moon's orbit, learning how it's changing. Eons from now, Phobos' orbit is expected to eventually send the moon toward the Red Planet's surface. The video shows the transit as it happened in real time.
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