geodetic line
41Global Positioning System — GPS redirects here. For other uses, see GPS (disambiguation). Geodesy Fundamentals …
42Richmond, California — Infobox Settlement official name = City of Richmond, California motto = The City of Pride and Purpose image seal size = 162 mapsize = map caption = subdivision type = Country subdivision name = United States subdivision type1 = State subdivision… …
43List of World Heritage Sites in Europe — This is a list of the UNESCO World Heritage Sites in Europe. Asia Minor, Cyprus, all of the Aegean Islands, the Canaries and Madeira are included although the first two and some of the third are geographically located in Asia whereas the latter… …
44Columbia, Maine —   Town   …
45Jefferson Pier — Jefferson Pier, Jefferson Stone, or the Jefferson Pier Stone, in Washington, D.C., marks the first meridian of the United States, [cite web| url=http://www.ngs.noaa.gov/PUBS LIB/freedom stands.html| title=Where Freedom Stands| author=David R.… …
46Abkürzungen/Luftfahrt/S–Z — Dies ist der fünfte Teil der Liste Abkürzungen/Luftfahrt. Liste der Abkürzungen Teil 1 A A Teil 2 B–D B; C; D Teil 3 E–K E; F; G; H; I; J; …
47Osborne, Kansas —   City   Location of Osborne, Kans …
48Meridian arc — In geodesy, a meridian arc measurement is a highly accurate determination of the distance between two points with the same longitude. Two or more such determinations at different locations then specify the shape of the reference ellipsoid which… …
49Equator — For other uses, see Equator (disambiguation). 0° Equator …
50Optical interferometry — combines two or more light waves in an optical instrument in such a way that interference occurs between them. Early interferometers used white light sources and also monochromatic light from atomic sources (e.g., Young s double slit experiment… …
