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Martian caves may provide shelter for future Mars explorers

Washington, November 5 (ANI): Scientists at the US Geological Survey (USGS) have detected a series of depressions on Mars that may harbor caves beneath them, which could provide shelter for future Mars exploration missions.

The depressions were detected by the USGS Astrogeology Science Center using high-resolution images conveyed through Mars-orbiting satellites.

Scientists believe some of these caves were created from a massive volcano, when solid ceilings of cooled material formed over lava channels during ancient volcanic eruptions.

Sections of these ceilings collapsed at some point to form the observed skylight entrances, or caves.

These caves could also shed light on whether microbial life forms have ever existed on the Red Planet. (ANI)

Models of Martian volcano explain why it's shaped like a "circus tent"

Washington, Feb 4 (ANI): Scientists have constructed models of the Olympus Mons volcano on Mars, in order to uncover the mechanism that generates the distinctive features of its shape, namely the form of a "circus tent".The immense Olympus Mons volcano on Mars (about 23 km tall and 600 km wide) exhibits a somewhat lopsided structure.It is elongated to the northwest, shortened to the southeast, with corresponding types of faulting (extensional and compressional, respectively) prevalent in each sector......
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