X-ray
Our Galaxy’s Supermassive Black Hole is a Sloppy Eater
Like most galaxies, our Milky Way has a dark monster in its middle: an enormous black hole with the mass…
X-ray Burst May Be the First Sign of a Supernova
GRB 080913, a distant supernova detected by Swift. This image merges the view through Swift's UltraViolet and Optical Telescope, which…
Rare X-Ray Nova Reveals a New Black Hole in the Milky Way
Swift J1745-26, with a scale of the moon as it would appear in the field of view from Earth. This…
Blowing a Super-duper Celestial Bubble
Image credit: X-ray: NASA/CXC/U.Mich./S.Oey, IR: NASA/JPL, Optical: ESO/WFI/2.2-m. Zoom by John Williams/TerraZoom using Zoomify When NASA combines images from different…
Astronomers Discover Milky Way’s Hot Halo
Artist's illustration of a hot gas halo enveloping the Milky Way and Magellanic Clouds (NASA/CXC/M.Weiss; NASA/CXC/Ohio State/A.Gupta et al.) Our…
A Star’s Dying Scream May Be a Beacon for Physics
When a star suffered an untimely demise at the hands of a hidden black hole, astronomers detected its doleful, ululating…
Dark Matter Filaments Bind Galaxies Together
A slim bridge of dark matter - just a hint of a larger cosmic skeleton - has been found binding…
X-rays Reveal a Stellar-Mass Black Hole in Andromeda
[/caption] An ultraluminous x-ray source (ULX) previously spotted in the neighboring Andromeda galaxy by NASA's Chandra observatory has now been revealed…
Chandra Spots a Black Hole’s High-Speed Hurricane
[/caption] Astronomers using NASA's Chandra X-ray Observatory have reported record-breaking wind speeds coming from a stellar-mass black hole. The "wind", a high-speed…
X-rays Unwrap a Poky Little Pulsar
[/caption] For the first time astronomers have located a pulsar – the super-dense, spinning remains of a star – nestled…