安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- 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 is named after the Greek god of fear and panic, who is the son of Ares (Mars) and twin brother of Deimos
- Phobos: Facts About the Doomed Martian Moon | Space
Many science fiction films feature large moons dominating alien skies, but despite its proximity to its planet, Phobos is only a third as wide as the full moon seen from Earth
- Phobos - Science@NASA
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
- Mars’ Moon Phobos is Slowly Falling Apart - NASA
The long, shallow grooves lining the surface of Phobos are likely early signs of the structural failure that will ultimately destroy this moon of Mars 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
- Phobos: Distance, Differences, Facts, Size, Surface
What is Phobos moon? Phobos is one of the two natural satellites of Mars, discovered by American astronomer Asaph Hall in 1877 Phobos measures approximately 22 kilometers (14 miles) in diameter, making it larger than its companion moon Deimos
- Phobos Moon Facts - Space Facts
Phobos is one of the two moons of Mars It is the larger of the two moons, and is heavily cratered and appears to have grooves and streaks of material along its sides Phobos size compared to the Moon Phobos’s orbit is so fast it would appear to an observer on the planet to rise in the west and set in the East twice each Martian day
- Phobos | Orbit Surface Features | Britannica
Phobos, the inner and larger of Mars’s two moons It was discovered telescopically with its companion moon, Deimos, by the American astronomer Asaph Hall in 1877 and named for one of the sons of Ares, the Greek counterpart of the Roman god Mars
- Phobos: Facts about Mars Moon, Phobos - The Planets
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 any other satellite in the solar system Phobos travels only 3,700 miles (6,000 km) above the surface of the red planet – by comparison the Moon is 384,400 km above Earth
|
|
|