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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.
The Phobos monolith (right of center) as taken by the Mars Global Surveyor (MOC Image 55103, 1998) In 2007, the Canadian Space Agency funded a study by Optech and the Mars Institute for an uncrewed mission to Phobos known as Phobos Reconnaissance and International Mars Exploration (PRIME).
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]
The high porosity of the interior of Phobos (based on the density of 1.88 g/cm 3, voids are estimated to comprise 25 to 35 percent of Phobos' volume) is inconsistent with an asteroidal origin. [38] Observations of Phobos in the thermal infrared suggest a composition containing mainly phyllosilicates , which are well known from the surface of Mars.
If Phobos has been orbiting for 4.3 Ga (billion years) then Stickney formed 4.2 Ga ago, but if Phobos has only been orbiting for 3.5 Ga then it formed 2.6 Ga ago. [4] The impact created a large amount of ejecta which escaped Phobos' gravity and entered into orbit around Mars for a period not exceeding 1000 years, some of this material then ...
Another monolith, that perplexingly appeared in Turkey in 2021, was a government stunt launched ahead of a space program announcement.
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 ...
A strange monolith found jutting out of the rocks in a remote mountain range near Las Vegas has been taken down by authorities. “It remains unknown how the item got to its location or who might ...