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The USNO Astrometry Department
描述: The Astrometry Department of the U.S. Naval Observatory is responsible for the determination of fundamental positions, motions and distances of selected celestial objects.
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网站主题: astronomy
A guide to give a tour of the summer night sky.
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Online Astronomy Portal since 1997. Phases of the Moon, Astronomical Calendar, Astrolinks, Bookstore, Stars, and much more information.
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Ancient Indian constellations and stars identified.
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Curious About Astronomy? Astronomers at Cornell University will answer your questions. Contains an extensive archive of previous questions, astronomy-related links ...
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Stargazing Network provide free Web page hosting for the Amateur Astronomy Community. Stargazing Network is sponsored by Cetus Technology at www.cetus.net.
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Includes events, directory, undergraduate and graduate program, research, courses, job opportunities, endowments and alumni.
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Network utilizing neutrino detectors to detect neutrino burst from supernova in order to provide a prompt alert to astronomers.
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Features the following programs: an ephemeris calculator, a collection of astronomical data in electronic form, Planet Orbits, C88, and Planetary, Lunar, and ...
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