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Celestial coordinate system
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#	Item
251	Field Notes From the Armchair Geographer Revisting the 69-mile Rule The ‘69’-mile rule was always a good way to estimate the circumference of the Earth. Since 1 degree of a Great Circle = 69 miles (approximately), th Add to Reading List Source URL: www.gislis.org Language: English - Date: 2011-08-12 16:01:17 Lines of latitude Celestial coordinate system Tropics Latitude Longitude Equator Horizontal coordinate system Rotation Pi Cartography Navigation Geodesy
252	T H E SSSSS OOOOOO FFFFFFFFFFFFF AAAAAAA SSSSSSSSSS Add to Reading List Source URL: www.iausofa.org Language: English - Date: 2012-07-10 03:18:16 Celestial mechanics Celestial coordinate system Astrometry Numerical software SOFA Units of time Epoch Sidereal time Equinox Measurement Astrology Astronomy
253	The Determination of Eros’ Parallax Mathematical Details U. Backhaus, Universit¨at Duisburg-Essen, Germany In order to measure the distance of an object from the earth we measure its topocentric equatorial coordinates Add to Reading List Source URL: www.transitofvenus.nl Language: English - Date: 2012-01-26 07:53:52 Navigation Coordinate systems Geometry Celestial mechanics Geodesy Sidereal time Longitude Equatorial coordinate system Declination Measurement Astrology Celestial coordinate system
254	International Astronomical Union Standards Of Fundamental Astronomy SOFA Tools for Earth Attitude Add to Reading List Source URL: www.iausofa.org Language: English - Date: 2010-10-18 08:18:32 Astrometry Celestial mechanics Precession Angle Star position Equinox Axial precession Ecliptic Epoch Astrology Celestial coordinate system Measurement
255	T H E SSSSS OOOOOO FFFFFFFFFFFFF AAAAAAA SSSSSSSSSS Add to Reading List Source URL: www.iausofa.org Language: English - Date: 2010-11-23 10:25:59 Celestial mechanics Celestial coordinate system Astrometry Numerical software SOFA Units of time Epoch Sidereal time Equinox Measurement Astrology Astronomy
256	APPENDIX I Adjustment of the Solar Unit First, make certain that the transit itself is in good order. Before making any adjustments of the solar unit, determine that: Add to Reading List Source URL: www.blm.gov Language: English - Date: 2014-11-26 18:47:52 Geometry Geodesy Orientation Telescopes Angle Theodolite Meridian circle Declination Culmination Astrology Measurement Celestial coordinate system
257	Draft: v. 4.3, [removed]Chapter 2. Cartographic Standards 2.1 Introduction Add to Reading List Source URL: pds.nasa.gov Language: English - Date: 2013-02-28 12:08:39 Cartography Geodesy Navigation Astrometry Celestial mechanics Longitude International Celestial Reference System International Celestial Reference Frame Epoch Astrology Measurement Celestial coordinate system
258	STEREO Observatory Coordinate Frame • Used for mechanical layout • Origin at base of bottom adaptor ring • X axis through center of adaptor rings, going from bottom to top. • X-Z plane parallel to SCIP optical be Add to Reading List Source URL: stereo.sr.unh.edu Language: English - Date: 2009-07-15 11:07:16 Astrology Longitude Ecliptic Spherical coordinate system Plane of the ecliptic Rotation Cartesian coordinate system Coordinate system Precession Celestial coordinate system Geometry Space
259	sofa_lib.lis[removed]December 17 −−−−−−−−−−−−−−−−−−−−−− SOFA Astronomy Library −−−−−−−−−−−−−−−−−−−−−− Add to Reading List Source URL: www.iausofa.org Language: English - Date: 2009-03-18 06:20:12 Numerical software SOFA Sidereal time Measurement Celestial mechanics Celestial coordinate system
260	Distance to the Horizon Note: The balloon launch site is around the area of Mount Barker. The proposed launch site is at a farmer’s property in Wistow. Pictures of the launch site are at: http://pipe2.darklomax.org/pic Add to Reading List Source URL: www.vssec.vic.edu.au Language: English - Date: 2014-08-18 06:59:11 Horizon Horizontal coordinate system Space Balloon Spherical Earth Event horizon Aviation Celestial coordinate system Astronomy Ballooning

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