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Orbiting astronomical observatories -- Congresses. : Scientific research with the space telescope : International Astronomical Union Colloquium number 54, co-sponsored by COSPAR, held at the Institute for Advanced Study, Princeton, N.J., August 8-11, 1979 / M.S. Longair, Mulland Radio Astronomy Observatory, Cavendish Laboratory ; J.W. Warner, National Aeronautics and Space Administration, Marshall Space Flight Center [editors].
Orbiting astronomical observatories -- Finance. : The next great observatory : assessing the James Webb Space Telescope : hearing before the Committee on Science, Space, and Technology, House of Representatives, One Hundred Twelfth Congress, first session, Tuesday, December 6, 2011.
Orbiting astronomical observatories -- Research. : A scientific assessment of a new technology orbital telescope / Task Group on BMDO New Technology Orbital Observatory, Space Studies Board, Commission on Physical Sciences, Mathematics, and Applications, National Research Council.
Artificial satellites -- Orbits -- Finance. : Military space systems : DOD's use of commercial satellites to host defense payloads would benefit centralizing data : report to the Armed Services Committee, House of Representatives.
Planets -- Orbits -- Congresses. : A comparison of the dynamical evolution of planetary systems : proceedings of the Sixth Alexander von Humboldt Colloquium on Celestial Mechanics : Bad Hofgastein (Austria), 21-27 March 2004 / edited by Rudolf Dvorak and Sylvio Ferraz-Mello.
Stars -- Orbits. : Equations of motion in general relativity / by Hideki Asada, Toshifumi Futamase, Peter Hogan.
Orbs -- Drama. : Guardians of the galaxy / Marvel Studios ; co-producers, David J. Grant, Jonathan Schwartz ; executive producers, Nik Korda, Stan Lee, Victoria Alonso, Jeremy Latcham, Alan Fine, Louis D'Esposito ; produced by Kevin Feige ; written by James Gunn and Nicole Perlman ; directed by James Gunn.
Soil pollution -- Idaho -- Orchard Training Area. : Assessment of soil and water contaminants from selected locations in and near the Idaho Army National Guard Orchard Training Area, Ada County, Idaho, 2001-2003 / by D.J. Parliman ; prepared in cooperation with Idaho Army National Guard.
Water -- Pollution -- Idaho -- Orchard Training Area. : Assessment of soil and water contaminants from selected locations in and near the Idaho Army National Guard Orchard Training Area, Ada County, Idaho, 2001-2003 / by D.J. Parliman ; prepared in cooperation with Idaho Army National Guard.
Orchards -- United States -- History. : Fruitful legacy : a historic context of orchards in the United States, with technical information for registering orchards in the National Register of Historic Places / Susan A. Dolan.