Orbiting astronomical observatories -- Research. : A scientific assessment of a new technology orbital telescope [electronic resource] / Task Group on BMDO New Technology Orbital Observatory, Space Studies Board, Commission on Physical Sciences, Mathematics, and Applications, National Research Council.
Orbits Artificial Satellites Handbooks Manuals Etc : Handbook of satellite orbits : from Kepler to GPS / Michel Capderou ; translated by Stephen Lyle ; foreword by Charles Elachi, Director, NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, USA.
Orbits Comets Early Works To 1800 : On the determination of the orbits of comets, [electronic resource] : According to the methods of Father Boscovich and Mr. De La Place. With new and complete tables; and examples of the calculation by both methods. By Sir Henry Englefield, bart. F.R.S. & F.A.S.
Orbits Comets Tables Early Works To 1800 : Tables of the apparant places of the comet of 1661, [electronic resource] : whose return is expected in 1789. To which is added, a new method of using the reticule rhomboide. By Sir Henry Englefield, Bart. F.R.S. and F. A.S.
Orbits -- Early works to 1800. : Theory of the motion of the heavenly bodies moving about the sun in conic sections : a translation of Theoria motus / Karl Friedrich Gauss ; translated with an appendix by Charles Henry Davis.