Questions (and Answers) About Cosmic High-Energy (X-ray & Gamma-Ray) AstronomyHow are the X-ray and gamma-ray energy bands defined?What are the energy bands for the other various types of electromagnetic radiation? How do the sensitivity & angular resolution of current X-ray telescopes compare with previous ones? What kinds of cosmic objects are X-ray emitters? What are the brightest objects in the X-ray sky? How do the numbers of catalogued X-ray & gamma-ray sources compare with other energies? How much X-ray and gamma-ray data are in the HEASARC's archive?
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