Samantha Mathewson joined Space.com as an intern in the summer of 2016. She received a B.A. in Journalism and Environmental Science at the University of New Haven, in Connecticut. Previously, her work has been published in Nature World News. When not writing or reading about science, Samantha enjoys traveling to new places and taking photos! You can follow her on Twitter @Sam_Ashley13.
can be very cold, with temperatures near the poles dropping to minus 195 degrees Fahrenheit . In turn, a layer of carbon dioxide frost, or dry ice, may form on the surface of some areas of the planet. By the middle of the four-month winter, frost can spread from the poles down to the middle latitudes of the planets, or about 50 degrees latitude, where it starts to melt under the warm rays of the sun.
But orbiters can also spot small patches of frost on pole-facing slopes closer to the equator. These locations experience colder temperatures because they receive less sunlight, meaning the carbon dioxide frost doesn't melt.
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