NuStar’s latest image maps Andromeda’s dead stars

NuSTAR has observed 40 "X-ray binaries" — intense sources of X-rays comprised of a black hole or neutron star that feeds off a stellar companion. By NASA/JPL  |  Published: Wednesday, January 06, 2016 NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) has captured the best high-energy X-ray view yet of a portion of our nearest large neighboring … Continue reading NuStar’s latest image maps Andromeda’s dead stars

Advertisements

Andromeda and Milky Way Might Collide Sooner Than We Think

The merger of the Milky Way and Andromeda galaxy won’t happen for another 4 billion years, but the recent discovery of a massive halo of hot gas around Andromeda may mean our galaxies are already touching. University of Notre Dame astrophysicist Nicholas Lehner led a team of scientists using the Hubble Space Telescope to identify an enormous halo of hot, … Continue reading Andromeda and Milky Way Might Collide Sooner Than We Think