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Scientists discovered signs of an ocean's worth of liquid water miles below Mars' surface. The findings, based on Marsquake measurements by NASA's InSight lander, could help solve a mystery.
If the InSight location is representative and you extract all the water from the fractures in the mid-crust, we estimate that the water would fill a 1-2 km deep (0.6-1.2 miles) ocean on Mars ...
This means that Mars has lost a volume of water 6.5 times what is stored in today's polar caps. The water for a time would have formed an ocean in the low-lying Mare Boreum. The amount of water could have covered the planet about 140 meters, but was probably in an ocean that in places would be almost 1 mile deep. [1] [2]
In 2018, it was announced that a subglacial lake was discovered below the south polar ice cap of Mars. The lake was detected by Mars Express orbiter, and is 20 km (10 mi) long, lying under ca. 1.5 km (1 mi) of glacial cover, with water temperature estimated to be −68 °C (−90 °F), and having an extremely salty brine. [220] [221] [222]
A mineral grain from a meteorite preserved evidence that water was present on Mars 4.45 billion years ago, and it may have created hot springs habitable for life. ... liquid water likely made its ...
In August 2024, a reservoir of liquid water was discovered on Mars - deep in the rocky outer crust of the planet. The findings came from a new analysis of data from Nasa’s Mars Insight Lander, which recorded four years' of vibrations - Mars quakes - from deep inside the Red Planet.
After 1,000 days on the Martian surface, the Perseverance rover has collected samples that reveal the history of water within Jezero Crater.
Lake Vostok and other subglacial rivers and lakes in Antarctica. [16] (Image credit: NASA.) The putative subglacial lakes are of interest for the possibility of supporting life. [34] If physical conditions allowed one location of subglacial liquid water on Mars to exist, then this might extend to other subsurface biospheres on the planet. [35]