‘Significant amounts of water’ found in Mars’ massive version of the Grand Canyon
By Ashley Strickland, CNN Updated 4:13 PM ET, Thu December 16, 2021
(CNN)Mars has its own version of the Grand Canyon, and scientists have learnedthis dramatic feature is home to “significant amounts of water” after a discovery made by an orbiter circling the red planet, according to the European Space Agency.
The ExoMars Trace Gas Orbiter, launched in 2016 as a joint mission between the European Space Agency and Roscosmos, detected the water in Valles Marineris on Mars. This canyon system is 10 times longer, five times deeper and 20 times wider than the Grand Canyon.
The water is located beneath the surface of the canyon system and was detected by the orbiter’s FREND instrument, or Fine Resolution Epithermal Neutron Detector. This instrument is able to map hydrogen in the top meter (3.28 feet) of Martian…
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