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"The HEASARC provides a number of facilities for students, educators, and the general public to learn more about the universe. The general public and students from elementary school to college age will find informative...
Readers can learn about the latest advancements in X-ray astronomy, and how the newest generation of instruments are making observations of the behavior of light, matter, and space-time in the vicinity of black holes....
This is the Chandra X-ray Observatory photo album website. It begins with an introduction on the electromagnetic spectrum, focusing on X-rays in particular. It also contains information on false color images. The images...
This site describes soft gamma repeaters. The author, Robert C. Duncan of the University of Texas at Austin, explains how these strange, physically-extreme stars form, and why they emit steadily pulsating X-rays with...
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