ad.usno.navy.mil: The Usno Astrometry Department The Astrometry Department of the U.S. Naval Observatory is responsible for the determination of fundamental positions, motions and distances of selected celestial objects. Keywords: astrometry , astronomy , department of defense , dod , full-sky astrometric mapping explorer ad.usno.navy.mil/ giantstars.de: Giant Stars Compare planets of the solar system with some of the largest known stars. Features video with commentary, interactive multimedia and visitor comments. www.giantstars.de/ Site Listings ad.usno.navy.mil: The Usno Astrometry Department The Astrometry Department of the U.S. Naval Observatory is responsible for the determination of fundamental positions, motions and distances of selected ... Keywords: astrometry , astronomy , department of defense , dod , full-sky astrometric mapping explorer ad.usno.navy.mil/ Add Url or Add Site to Submit Site to the Stars Directory |