NASA's Chandra X-ray Observatory reveals 16 galaxies in stunning detail, exposing hot gas, black-hole jets, star formation and violent cosmic mergers. Galaxies are often called the jewels of the universe, since they are enormous assemblies of stars, gas, dust, and dark matter, each with its own shape and history. NASA’s Chandra X-ray Observatory, in cooperation with other major telescopes, provides... [3919 chars]
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