Titlebook: Deep Sky Observing; The Astronomical Tou Steven R. Coe Book 20001st edition Springer-Verlag London 2000 astronomy.deep-sky.galaxy.instrumen

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What Can I Observe in Galaxies Beyond the Milky Way?,e twentieth century saw tremendous advances in the tools of the professional astronomers; telescoper, photographic film and spectroscopic detectors. This allowed our knowledge of the size and composition of the universe to grow in leaps and bounds.

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