The binary system Apep has a stack of four nested dust shells around two Wolf-Rayet stars. A third star creates a wedge-shaped gap in the pattern. Credit: NASA / ESA / CSA / Yinuo Han / Ryan White / ...
NASA’s James Webb Space Telescope’s mid-infrared image shows four coiled shells of dust around a pair of Wolf-Rayet stars known as Apep for the first time. NASA’s James Webb Space Telescope has ...