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Questions and AnswersTips on Asking QuestionsEach category below contains a brief description about that topic. The Chandra Mission
Cosmology/UniverseQuestions about the Big Picture: the size, age, mass and origins of the universe.Q&A X-Ray SourcesQuestions about specific types of cosmic X-ray sources.
Dark MatterWIMPS, extra-solar planets and other possibilites for the dark matter mystery.Q&A X-ray AstronomyQuestions that have to do specifically with X-ray AstonomyQ&A General Astronomy and Space ScienceQuestions about astronomy and space science that don't fit in the above categories.Q&A MiscellaneousQuestions about the Harvard-Smithsonian Center for Astrophysics, NASA, our image use policy, obtaining hard copies of images, job opportunities.Q&A |
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