Mysterious pit on Mars could be key to colonising Red Planet, astronomers say
Newly discovered hole in Arsia Mons region may connect to underground cave network
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Newly discovered hole in Arsia Mons region may connect to underground cave network
Lava tubes are underground caves that could provide shelter for astronauts visiting Mars. This hole could provide access to one.
Human visitors to Mars need somewhere to shelter from the radiation, temperature swings, and dust storms that plague the planet.
NASA's Mars Reconnaissance Orbiter viewed the space agency's retired InSight lander as it gradually collects dust in the Martian desert.
New evidence that Mars was volcanically active around 4 billion years ago could provide researchers with more places to hunt for signs of ancient life on the Red Planet.