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.
ESO 137 in 60 Seconds

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Narrator (Megan Watzke, CXC): Two spectacular tails of X-ray emission have been seen trailing behind a galaxy known as ESO 137. This composite image shows X-rays from Chandra in blue, optical emission in yellow and emission from hydrogen light in red. The X-ray tails were created when cool gas from the galaxy (with a temperature of about ten degrees above absolute zero) was stripped by hot gas of about 100 million degrees as it travels through the center of the galaxy cluster. The stripping of this cool gas could be leading to new stars being formed in the tails behind the galaxy. This would be the first time such a thing had ever been seen.

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