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Nature's Most Precise Clocks May Make "Galactic GPS" Possible; Pulsing Pulsars Help in Search for Gravitational Waves
Nature's Most Precise Clocks Galactic GPS Pulsing Pulsars Gravitational Waves
2010/1/11
Radio astronomers have uncovered 17 millisecond pulsars in our galaxy by studying unknown high-energy sources detected by NASA's Fermi Gamma-ray Space Telescope. The astronomers made the discovery in ...
The Nature of the Far-UV Break in the Energy Distribution of Quasars
Far-UV Break Quasars Energy Distribution
2009/7/9
The Nature of the Far-UV Break in the Energy Distribution of Quasars。
The Nature of the Compact Group HCG 54。