内行 发表于 2025-3-27 00:58:25
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discoveries. Acclaim for Hubble: A New Window to the Universe "Wonderful to behold. Buy it and feast your eyes." Scientific American "A wonderful volume...a clear and insightful explanation is included for each and every image." The Planetarian978-1-4612-2232-3Throttle 发表于 2025-3-27 07:10:18
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Quasars: Beacons at the Beginning of TimeDuring the early 1960s, an astronomer at the Palomar Mountain Observatory, Maarten Schmidt, discovered that these lines belonged to certain chemical elements, but that they were shifted to the red by incredible amounts.AXIS 发表于 2025-3-27 18:21:37
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Springer-Verlag New York, Inc. 1998offense 发表于 2025-3-28 10:11:33
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Active Galaxies: Nearby Mini-Quasarsert became director of the Dyer Observatory in Nashville, Tennessee, where he had only small telescopes at his disposal. He died at a young age in a car accident and did not get to witness the increasing importance of “his” galaxies.