Apr 23, 2021
In another first for NASA’s Perseverance rover, a cube-shaped instrument called MOXIE, or Mars Oxygen In-Situ Resource Utilization Experiment, has successfully converted some of Mars’ atmospheric carbon dioxide into oxygen. Plus, a wild roundup of stories including exoplanets, sky maps, fast radio bursts, meteorites, the problem with symmetry, and new timelapse images in Google Earth.