The Phobos monolith is a large rock on the surface of Mars ' moon Phobos. [1] . It is a boulder, about 85 m (279 ft) across and 90 m (300 ft) tall. [2][3] A monolith is a geological feature consisting of a single massive piece of rock.

May 30, 2024 · When the Mars Reconnaissance Orbiter (MRO) spacecraft was mapping the small moon of Mars, Phobos, and sent its incredible images from the small, potato-shaped moon back to Earth, ufologists had a field day speaking about the mysterious structure that was clearly visible on the surface of Phobos.

The Mars monolith is a rectangular object, possibly a boulder, discovered on the surface of Mars. [ 1 ] [ 2 ] The Mars Reconnaissance Orbiter took pictures of it from orbit, roughly 180 miles (300 km) away. [ 1 ]

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.

The moons of Mars may have started with a huge collision with a protoplanet one third the mass of Mars that formed a ring around Mars. The inner part of the ring formed a large moon. Gravitational interactions between this moon and the outer ring formed Phobos and Deimos.

Oct 31, 2022 · Europe's Mars Express spacecraft has peered deeper into the subsurface of the Martian moon Phobos than ever before, finding hints of unknown structures that could be clues as to the moon's...

2 days ago · Sometime between about 9:00 p.m. and 1:00 a.m. EST (depending on where you were in North America), the full "Wolf Moon" drifted across Mars, briefly swallowing the Red Planet from the sky.

Mar 23, 2025 · NASA’s First Flight With Crew Important Step on Long-term Return to the Moon, Missions to Mars. article 6 days ago. 3 min read. ... The image reveals hundreds of strange, spherical-shaped objects comprising the rock. Perseverance acquired this image on March 11, 2025, or sol 1442 — Martian day 1,442 of the Mars 2020 mission. ...

Apr 2, 2025 · Phobos is a small irregular rocky object with a crater-scarred, grooved surface. 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).

Mar 19, 2025 · Deimos is the smaller and less photographed of Mars’ moons. This egg-shaped object, only measuring about 7.7 miles in diameter (12.4 kilometers), is tidally-locked with the Red Planet making it ...