Chandra X-Ray Observatory

A space-based observatory that observes the universe in X-ray wavelengths. Launched in 1999, it is one of NASA's four Great Observatories.

Radio Programs

Andromeda Galaxy II Black holes in a neighboring galaxy Friday, November 8, 2013
Black Hole Flare-Up A black hole gets brighter Tuesday, August 3, 2010

Featured Images

Artist's concept of Cygnus X-1, with X-ray image shown in inset
Powerhouse Wednesday, August 1, 2012
X-ray view of the Carina Nebula, a stellar nursery 7,500 light-years from Earth
Star Factory Thursday, May 26, 2011
Visible and X-ray image of a supernova remnant in the Large Magellanic Cloud
Holiday Decoration Thursday, December 16, 2010
Hotter Galaxy Wednesday, September 23, 2009
Big Hand for a Little Star Monday, April 6, 2009
Galactic Turmoil Monday, March 23, 2009
Catty Star Thursday, July 31, 2008
Galactic Glow Friday, February 8, 2008
Turn on the Lights Tuesday, January 29, 2008
Crowning Glory Tuesday, September 18, 2007
Stellar Cyclops Monday, July 16, 2007
Kepler's Odd Supernova Friday, March 9, 2007
An X-ray image of Kepler's supernova of 1604.
New Twist on an Old Star Thursday, January 11, 2007
Cosmic Bauble Wednesday, December 6, 2006
Bright Reminder Monday, May 1, 2006


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