An overview of the Chandra mission and goals, Chandra's namesake, top 10 facts.
Classroom activities, printable materials, interactive games & more.
Overview of X-ray Astronomy and X-ray sources: black holes to galaxy clusters.
All Chandra images released to the public listed by date & by category
Current Chandra press releases, status reports, interviews & biographies.
A collection of multimedia, illustrations & animations, a glossary, FAQ & more.
A collection of illustrations, animations and video.
Chandra discoveries in an audio/video format.
Q&A: Normal Stars, White Dwarf Stars, and Star
Clusters
How many binary star systems has Chandra discovered in other
galaxies?
The increase in the number of binary star systems discovered
in other galaxies is one of Chandra's greatest achievements.
The exact number is changing every day as new data are
reported. Around 500 new binary systems have been discovered
in the galaxy Centaurus A alone, and many (dozens to
hundreds, depending on the particular galaxy) have been
reported in other galaxies as well.
