https://science.nasa.gov/photojournal/defrosting-dunes-within-chasma-boreale/
Defrosting Dunes within Chasma Boreale - NASA Science
Sep 24, 2025 - This image from NASA's Mars Reconnaisance Orbiter (MRO) shows a dune field in Chasma Boreale, which is a large trough that cuts into the North Polar ice cap.
chasma borealenasa sciencedefrostingduneswithin
https://science.nasa.gov/photojournal/chasma-boreale-2/
Chasma Boreale - NASA Science
Dec 20, 2006 - Image PSP_001386_2650 was taken by the High Resolution Imaging Science Experiment (HiRISE) camera onboard the Mars Reconnaissance Orbiter spacecraft on
chasma borealenasa science