Researchers report the serendipitous discovery of a likely Galactic supernova remnant, G305.4-2.2, nicknamed **Teleios** because of its strikingly circular shape. Detected in ASKAP Evolutionary Map of
Researchers report the serendipitous discovery of a likely Galactic supernova remnant, G305.4-2.2, nicknamed **Teleios** because of its strikingly circular shape. Detected in ASKAP Evolutionary Map of