Chandra X-ray Observatory
‘Light Echos’ Reveal Old, Bright Outbursts Near Milky Way’s Black Hole
How's that for a beacon? NASA's Chandra X-ray Observatory has tracked down evidence of at least a couple of past…
“Blue” Exoplanet Now Seen in X-rays for the First Time
In the medical field, X-rays are used for finding and diagnosing all sorts of ailments hidden inside the body; in…
This Supernova Had A ‘Delayed Detonation’
In 2008, astronomers discovered a star relatively nearby Earth went kablooie some 28,000 light-years away from us. Sharp-eyed astronomers, as…
Black Hole Bonanza! Dozens (Potentially) Found In Andromeda As Another Study Probes X-Rays
More than two DOZEN potential black holes have been found in the nearest galaxy to our own. As if that…
How Much Light Has The Universe Created Since the Big Bang?
The universe, most cosmologists tell us, began with a bang. At some point, the lights turned on. How much light…
New Movie of a Neutron Star Looks Eerily Like the Phantom of the Opera
This incredible new movie of the Vela pulsar has the unnerving appearance of the Phantom of the Opera – wearing…
Combining Light to Reveal Monster Black Holes
NGC 3627 glows in the combined light of Hubble, Chandra, Spitzer and the Very Large Telescope in this image. Astronomers…
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…
The Unusually Colossal Kepler Supernova
A composite image of Chandra X-ray data shows a rainbow of reds, yellows, green, blue and purple, from lower to…
Chandra Witnesses Big Blast from an Old Black Hole
[/caption] Astronomers keeping an eye out for a supernova explosion in the nearby galaxy M83 instead witnessed a prodigious blast…