Phobos (/ ˈfoʊbəs /) 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 …

Nov 3, 2024 · 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, 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. Phobos is a small irregular rocky …

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 …

Aug 26, 2024 · Phobos is one of Mars’ two natural satellites, discovered by American astronomer Asaph Hall in 1877. The moon measures approximately 22 kilometers in diameter and is believed to be a …

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 …

Feb 25, 2025 · Discover 36 fascinating facts about Phobos, Mars' mysterious moon. Unveil its secrets, origins, and more in this comprehensive guide.

3 days ago · Phobos is one of two very small satellites of the planet Mars. It was discovered along with its smaller companion, Deimos, by Asaph Hall at the Naval Observatory in Washington DC in August …

Apr 23, 2025 · These two moons are named after the sons of the Greek god of war, Ares, who was known to the Romans as Mars – Phobos, meaning “Fear,” and Deimos, meaning “Terror.” The …

Aug 17, 2024 · Phobos has long, shallow grooves running across its surface, radiating away from Stickney. Many planetary scientists believe these grooves are early signs of eventual structural …