In a case of cosmic resuscitation, ESA’s Integral X-ray and gamma-ray space observatory has, for the first time, seen a red giant star revive its dead neighbor. An X-ray flare first detected on August 13, 2017 toward the center of our galaxy prompted observations that revealed a once dead, slow-spinning neutron star becoming active again as it feeds on puffs of material ejected from its ancient, giant companion…
Continue Reading It’s alive! Dead star reawakened by red giant companion
Six million years ago, the Milky Way blew its lid
Theory, observation, and the strange truth about colliding stellar winds
Astronomers discover the biggest thing in the Universe
Starlight found to be a key ingredient in forming the stuff of life
Astronomers bring Andromeda down to size
Is this what Planet 9 looks like?