THEMIS: Frosty dunes in Hyperboreae Undae

Dunes in Hyperboreae Undae (THEMIS_IOTD_20190805)THEMIS Image of the Day, August 5, 2019. Several dune fields encircle the north polar cap. Hyperboreae Undae is one of them, located near Escorial Crater and Chasma Boreale.

This VIS image was taken during the spring season, when the dunes still have some frost cover.

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