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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.

Featured Images

Multi-spectral view of Cassiopeia A, a supernova remnant

Brilliant Demise October 26, 2020

Supernova remnant N132D in the Large Magellanic Cloud

Breath of Life August 31, 2020

Artist's concept of 47 Tucanae X9, a likely black hole-white dwarf binary

Living Dangerously March 16, 2017

NGC 6543, the Cat's Eye Nebula

Pure Artistry April 9, 2016

Auroras on Jupiterk

Polar Rings February 22, 2016

Hubble Space Telescope view of Abell 2744, a massive galaxy cluster

On the Frontier March 9, 2015

Radio Programs

Making a Black Hole Making a little black hole September 14, 2018

Black Hole Bonanza Black holes by the hundreds August 31, 2018