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OverviewHigh Quality Content by WIKIPEDIA articles! Geocentric coordinates are an Earth-centered system of locating objects in the solar system in three-dimensions along the Cartesian X, Y and Z axes. They are differentiated from topocentric coordinates which use the observer's location as the reference point for bearings in altitude and azimuth. Both systems, however, share a common difficulty in that the Earth is constantly moving, which requires the addition of a time component to fix objects. For nearby stars astronomers use heliocentric coordinates, with the center of the Sun as the origin. The reference plane can either be aligned with the Earth's equator, the plane of the ecliptic or the plane of the Milky Way galaxy. The distances involved are so great compared to the relative velocities of the stars that for most purposes the time component can be neglected. Full Product DetailsAuthor: Lambert M. Surhone , Miriam T. Timpledon , Susan F. MarsekenPublisher: VDM Publishing House Imprint: VDM Publishing House Dimensions: Width: 22.90cm , Height: 0.90cm , Length: 15.20cm Weight: 0.236kg ISBN: 9786131221125ISBN 10: 613122112 Pages: 154 Publication Date: 13 August 2010 Audience: General/trade , General Format: Paperback Publisher's Status: Active Availability: In Print  This item will be ordered in for you from one of our suppliers. Upon receipt, we will promptly dispatch it out to you. For in store availability, please contact us. Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |
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