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Credit: NASA/JPL-Caltech/University of Arizona On Aug. 18, 2023, the Mars Reconnaissance Orbiter (MRO) captured ridged lines carved onto Mars’ landscape by the gradual movement of ice. While surface ice deposits are mostly limited to Mars’ polar caps, these patterns appear in many non-polar Martian regions. As ice flows downhill, rock and soil are plucked from
Great long-eared bat (Plecotus austriacus) returning to a roost in the Sant Pere de Rodes monastery. This ninth century building is home to the largest known colony of this species in Catalonia, Spain. Photo by Adrià López-Baucells. Credit: EcoHealth (2023). DOI: 10.1007/s10393-023-01634-x You might think that bats are scary. But do you know what would
Credit: ESA/Hubble & NASA, H. Ebeling. The massive cluster Abell 3322 is featured in this image from the NASA/ESA Hubble Space Telescope, in which the galaxy 2MASX J05101744-4519179 basks in the center. This distant galaxy cluster is a cosmic leviathan that is highly luminous at X-ray wavelengths. Observing galaxy clusters like Abell 3322 can advance