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Learn more about Bing search results here- Phobos (moon) - WikipediaPhobos (/ ˈfoʊbɒs /; systematic designation: Mars I) is the innermost and larger of the two natural satellites of Mars, the other being Deimos. The two moons were discovered in 187…https://en.wikipedia.org › wiki › Phobos_(moon)
- Phobos - Science@NASAAbout Phobos 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 pla…https://science.nasa.gov › mars › moons › phobos
- The Grooves of Phobos: A Mars Moon Mystery in PicturesPhobos is one of the two moons that revolve around Mars. It's a lumpy, crater-filled pile of rubble that measures only 10 by 14 by 11 miles (17 by 22 by 18 km). Phobos also orbits …https://www.space.com
- Moons of Mars - WikipediaThe two moons of Mars are Phobos and Deimos. They are irregular in shape. Both were discovered by American astronomer Asaph Hall in August 1877 and are named after the Greek mythol…https://en.wikipedia.org › wiki › Moons_of_Mars
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See all on WikipediaPhobos (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. See more
Phobos is the innermost and larger of the two natural satellites of Mars, the other being Deimos. The two moons were discovered in 1877 by American astronomer Asaph Hall. Phobos is named after See more
Phobos has dimensions of 26 by 23 by 18 kilometres (16 mi × 14 mi × 11 mi), and retains too little mass to be rounded under its own gravity. … See more
The origin of the Martian moons has been disputed. Phobos and Deimos both have much in common with carbonaceous C-type asteroids, … See more
Phobos was discovered by the American astronomer Asaph Hall on 18 August 1877 at the United States Naval Observatory in Washington, D.C., at about 09:14 Greenwich Mean Time. (Contemporary sources, using the pre-1925 astronomical convention See more
The orbital motion of Phobos has been intensively studied, making it "the best studied natural satellite in the Solar System" in terms of orbits completed. Its close orbit around Mars produces some distinct effects. With an altitude of 5,989 km (3,721 mi), … See more
Wikipedia text under CC-BY-SA license Phobos - NASA Science
Nov 3, 2024 · 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 …
Phobos: Facts About the Doomed Martian Moon | Space
- In the early 17th century, German astronomer Johannes Kepler proposed that Mars might host two moons, given that it lay between the Earth and Jupiter, which were known to have one and four satellites. No evidence of such moons could be found. Although most people thought that Mars had no moons, American astronomer Asaph Hall performed a methodical ...
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Moons of Mars - Science@NASA
Phobos: Facts about Mars' Moon, Phobos
Phobos (pronounced FOH bus) is the largest of the two moons which orbit the planet Mars. It is also closer to it’s primary than …
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Phobos | Orbit & Surface Features | Britannica
Mar 5, 2025 · 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). …
Mars Moons: Facts - Science@NASA
Nov 3, 2024 · Mars' moons are among the smallest in the solar system. Phobos is a bit larger than Deimos, and orbits only 3,700 miles (6,000 kilometers) above the Martian surface. No known …
Mars’ Moon Phobos is Slowly Falling Apart - NASA
Nov 10, 2015 · Orbiting a mere 3,700 miles (6,000 kilometers) above the surface of Mars, Phobos is closer to its planet than any other moon in the solar system. Mars’ gravity is drawing in …
In Depth | Phobos – NASA Solar System Exploration
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 …
Moons of Mars: Phobos and Deimos - The Planets
Phobos is the larger and closer of the two Martian moons. Orbiting at a mere 5,989 miles (9,378 kilometers) from Mars’ surface, it is closer to its host planet than any other moon in our solar …
