Chandra X-ray Center

Exploding stars and stripes

The discovery of a pattern of X-ray "stripes" in the remains of an exploded star may provide the first direct evidence that a cosmic event can accelerate particles to energies a hundred times higher than achieved ...

Mar 24, 2011
4.8 / 5 (6) 7 | with audio podcast

Giant ring of black holes

(PhysOrg.com) -- Just in time for Valentine's Day comes a new image of a ring -- not of jewels -- but of black holes.

Feb 09, 2011
4.8 / 5 (43) 22 | with audio podcast

Chandra images torrent of star formation

A new Chandra X-ray Observatory image of Messier 82, or M82, shows the result of star formation on overdrive. At a distance of only 12 million light years, M82 provides a unique cosmic laboratory for studying ...

Jan 13, 2011
5 / 5 (6) 1

Taking the pulse of a black hole system (w/ Video)

Using two NASA X-ray satellites, astronomers have discovered what drives the "heartbeats" seen in the light from an unusual black hole system. These results give new insight into the ways that black holes ...

Jan 12, 2011
4.5 / 5 (4) 1 | with audio podcast

How often do giant black holes become hyperactive?

(PhysOrg.com) -- A new study from NASA's Chandra X-ray Observatory tells scientists how often the biggest black holes have been active over the last few billion years. This discovery clarifies how supermassive ...

Dec 20, 2010
5 / 5 (7) 19 | with audio podcast

An Intergalactic Weather Map

(PhysOrg.com) -- This composite image shows an intergalactic "weather map" around the elliptical galaxy NGC 5813, the dominant central galaxy in a galaxy group located about 105 million light years away from ...

Dec 08, 2010
5 / 5 (5) 0

Pushing the envelope

(PhysOrg.com) -- G327.1-1.1 is the aftermath of a massive star that exploded as a supernova in the Milky Way galaxy.

Oct 05, 2010
4.4 / 5 (21) 1

Chandra finds evidence for stellar cannibalism

Evidence that a star has recently engulfed a companion star or a giant planet has been found using NASA's Chandra X-ray Observatory. The likely existence of such a "cannibal" star provides new insight into ...

Sep 14, 2010
4.8 / 5 (8) 2 | with audio podcast

Image: The Heart of a Rose

(PhysOrg.com) -- This composite image shows the Rosette star formation region, located about 5,000 light years from Earth.

Sep 08, 2010
4.7 / 5 (9) 2

Cluster collisions switch on radio halos

(PhysOrg.com) -- This is a composite image of the northern part of the galaxy cluster Abell 1758, located about 3.2 billion light years from Earth, showing the effects of a collision between two smaller galaxy ...

Aug 30, 2010
4.8 / 5 (9) 0 | with audio podcast

Black Hole Gets Jerked Around -- Twice

(PhysOrg.com) -- Scientists have found evidence that a giant black hole has been jerked around twice, causing its spin axis to point in a different direction from before. This discovery, made with new data ...

Jul 21, 2010
4.6 / 5 (14) 4 | with audio podcast

X-ray discovery points to location of missing matter

Using observations with NASA's Chandra X-ray Observatory and ESA's XMM-Newton, astronomers have announced a robust detection of a vast reservoir of intergalactic gas about 400 million light years from Earth. ...

May 11, 2010
5 / 5 (21) 14 | with audio podcast

M82: 'Survivor' Black Holes May Be Mid-Sized

(PhysOrg.com) -- New evidence from NASA's Chandra X-ray Observatory and ESA's XMM-Newton strengthens the case that two mid-sized black holes exist close to the center of a nearby starburst galaxy. These "survivor" ...

Apr 29, 2010
4 / 5 (5) 4 | with audio podcast