Earthly rocks point way to water hidden on Mars - Phys.org 30-Jul-2021

Earthly rocks point way to water hidden on Mars - Phys.org

A combination of a once-debunked 19th-century identification of a water-carrying iron mineral and the fact that these rocks are extremely common on Earth, suggests the existence of a substantial water reservoir on Mars, according to a team of geoscientists.

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