Moons of Mars - Wikipedia
Compared to the Earth's Moon, the moons Phobos and Deimos are small. Phobos has a diameter of 22.2 km (13.8 mi) and a mass of 1.08 × 10 16 kg, while Deimos measures 12.6 km (7.8 mi) across, with a mass of 1.5 × 10 15 kg.
Mars Moons - Science@NASA
Nov 5, 2024 · Mars has two moons, Phobos and Deimos. Both are thought to be captured asteroids, or debris from early in the formation of our solar system. 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.
Mars Moons: Facts - Science@NASA
Nov 3, 2024 · Mars has two moons, Phobos and Deimos. Both are thought to be captured asteroids, or debris from early in the formation of our solar system.
Mars' Moons: Facts About Phobos & Deimos | Space
Dec 8, 2017 · Phobos and Deimos bear more resemblance to asteroids than to Earth's moon. Both are tiny — the larger, Phobos, is only 14 miles across (22 kilometers), while the smaller, Deimos, is only 8...
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 that in some locations on Mars it cannot always be seen.
Phobos (moon) - Wikipedia
Phobos (/ ˈ f oʊ b ə s /; 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 1877 by American astronomer Asaph Hall .
Phobos and Deimos: Captured Asteroids or Cut from Ancient Mars?
1 day ago · Mars’ two moons are named for Phobos and Deimos, in legend the twin sons of Ares who personified fear and panic. Today, what the moons together personify is a compelling mystery, one regarding how in reality they came to be.
NASA SVS | The Moons Of Mars
Aug 27, 2013 · Mars is kept company by two cratered moons—an inner moon named Phobos and an outer moon named Deimos. On August 1, 2013, NASA’s Curiosity rover pointed its telephoto lens toward the Martian heavens and recorded a series of night sky images that show the irregularly shaped moons crossing paths.
New study provides explanation behind origins of Martian moons Phobos ...
Nov 24, 2024 · Using supercomputer simulations, a team of NASA scientists recently modeled the destruction of an asteroid around Mars to investigate the possible origins of Mars’ two, mysterious moons —...
Deimos (moon) - Wikipedia
Deimos (/ ˈ d aɪ m ə s /; systematic designation: Mars II) [11] is the smaller and outer of the two natural satellites of Mars, the other being Phobos. Deimos has a mean radius of 6.2 km (3.9 mi) and takes 30.3 hours to orbit Mars. [5] Deimos is 23,460 km (14,580 mi) from Mars, much farther than Mars's other moon, Phobos. [12]