“Mapping Ghosts” — Ancient Pulsars, Objects So Dense They Warp Spacetime

  Astrophysicists are radically expanding our knowledge of image of pulsars, the ancient remains of exploded stars so dense their gravity warps nearby space-time, using NASA’s Neutron star Interior Composition Explorer (NICER), an X-ray telescope aboard the International Space Station to create the first-ever map of million-degree hot spots on the surface of J0030 in … Continue reading “Mapping Ghosts” — Ancient Pulsars, Objects So Dense They Warp Spacetime