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An ancient crater triplet on Mars – Phys.org

Mars is covered in intriguing scars—some of the most prominent being impact craters. A particularly unusual example is shown in this new image from ESA’s Mars Express:…

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Mars is covered in intriguing scarssome of the most prominent being impact craters. A particularly unusual example is shown in this new image from ESA’s Mars Express: an ancient triplet comprising not one but three overlapping craters.
The crater triplet is located in an especially old part of Mars’ southern hemisphere known as Noachis Terra. This region was heavily cratered during the Noachian era, an ancient time about four billion years ago in Mars’ history in which huge numbers of asteroids…

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