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: General Astronomy and Space Science
What is the life cycle of a star and how old can one get to
be?
Please see our Field Guide to X-Ray
Astronomy on Stellar Evolution at:
http://chandra.harvard.edu/xray_sources/stellar_evolution.html
An estimate for the oldest stars in the Universe is 14 billion years,
but this could be off by a few billion years. A useful website on cosmic
time and the age of the oldest stars may be found here:
http://www.astrosociety.org/education/publications/tnl/56/ancient2.html
