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An ice age recorded in the polar deposits of Mars
2016
Science
Layered ice deposits at the poles of Mars record a detailed history of accumulation and erosion related to climate processes. Radar investigations measure these layers and provide evidence for climate changes such as ice advance and retreat. We present a detailed analysis of observational data showing that~87,000 cubic kilometers of ice have accumulated at the poles since the end of the last ice age~370,000 years ago; this volume is equivalent to a global layer of~60 centimeters. The majority
doi:10.1126/science.aad6968
pmid:27230372
fatcat:rjnyfu77mneqvccabrq433wnvq