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    Mounds of Ice in Craters give New Insight into Mars’ Past Climate

    March 30, 2022, Categories  Astronomy/Space

    Layered ice in Burroughs crater on Mars, with imagery from THEMIS (left) and HiRISE (right panels). The ice layers here record climate oscillations now linked precisely to changes in Mars’ orbit and tilt, according to a new study in the AGU journal Geophysical Research Letters.
    Credit: Sori et al./Geophysical Research Letters

    Honing the ways Mars’ orbit and orientation impacted climate over time can help scientists find periods of potential habitability. Newly discovered deposits of layered ice in craters scattered around Mars’ southern hemisphere provide insights into how the planet’s orientation controlled the planet’s climate over the past 4 million years, according to a new study...

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