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.
Crosswords!
(java enhanced)

4. You will receive 10 points for each correct letter. However, you will lose 15 points for each letter you cheat on! To continue to a new puzzle, you must have at least 40 points or have correctly answered all the clues.

5. If you get stuck on a word, you can always cheat (but you have to have enough points!).

6. If you finish a puzzle and you still want more, just hit the "NEW PUZZLE" button. It will keep generating new puzzles until you have exhausted all of our words. Then you can start again. The puzzles are never the same!

Hint: If you have trouble finding an answer, check the Glossary or Field Guide to X-ray Astronomy for clues.

Play the puzzle!.