Tech

Mysterious X-rays could be kilonova “afterglow” from 2017 neutron star merger

Enlarge / Artist’s representation of the merger of two neutron stars to form a black hole (hidden within bright bulge at center of image). The merger generates opposing, high-energy jets of material (blue) that heat up material around the stars, making it emit X-rays (reddish clouds). (credit: NASA/CXC/M. Weiss) Back in 2017, astronomers detected a […]