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The Phobos monolith (right of center, casting long shadow) as taken by the Mars Global Surveyor (MOC Image 55103, 1998). The location of the monolith (HiRISE image PIA10368) 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.
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.
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] The HiRISE camera that was used to photograph the monolith has a resolution of approximately 1 foot or 30 centimeters per pixel. [3]
Phobos completes an orbit around the Martian equator every 7.6 hours, or three times a day, and is about 3,700 miles (6,000 kilometers) from the surface of the red planet.
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Over the past couple weeks we've been coveringthe saga of the mysterious monolith discovered in the Utah desert on Nov. 18. The second development comes from the Romanian city of Piatra Neamț ...
The monolith was just the latest similar structure to appear around the world since at least 2020, when a nearly 12-foot structure was found deep in Utah's desert and vanished days later.
The Phobos monolith (right of center) as taken by MGS (MOC Image 55103) in 1998. After analyzing hundreds of high-resolution pictures of the Martian surface taken by the spacecraft, a team of researchers found that weathering and winds on the planet create landforms, especially sand dunes, remarkably similar to those in some deserts on Earth. [21]