planetographic

planetographic
a) Of or pertaining to planetography
b) Describing a coordinate based on the direction of a perpendicular at a point on a planets surface

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  • Radius of curvature (applications) — The distance from the center of a sphere or ellipsoid to its surface is its radius. The equivalent surface radius that is described by radial distances at points along the body s surface is its radius of curvature (more formally, the radius of… …   Wikipedia

  • Longitude — For Dava Sobel s book about John Harrison, see Longitude (book). For the adaptation of Sobel s book, see Longitude (TV series). Map of Earth Longitude (λ) Lines of longitude appear vertical with varying curvature in this projection, but are… …   Wikipedia

  • Prime Meridian — 0° Prime Meridian …   Wikipedia

  • Europa (moon) — Europa Europa s trailing hemisphere in approximate natural color. The prominent crater in the lower right is Pwyll and the darker regions are areas where Europa s primarily water ice surface has a higher mineral content. Imaged on September 7,… …   Wikipedia

  • Viking 1 — Infobox Spacecraft Name = Viking 1 Orbiter Caption = Viking orbiter Organization = NASA Major Contractors = Mission Type = Orbiter Satellite Of = Mars Orbital Insertion Date = June 19 1976 Launch = August 20 1975 Launch Vehicle = Titan… …   Wikipedia

  • Viking 2 — Infobox Spacecraft Name = Viking 2 Orbiter Caption = Viking orbiter Organization = NASA Major Contractors = Mission Type = Orbiter Flyby Of = Satellite Of = Mars Orbital Insertion Date = August 7 1976 Launch = September 9 1975 Launch Vehicle =… …   Wikipedia

  • Ellipsoid — This article is about the shape. For the type of theatrical spotlight, see ellipsoidal reflector spotlight. For the surface that approximates the figure of the Earth, see reference ellipsoid. triaxial redirects here. For the electrical cable, see …   Wikipedia

  • List of craters on Mars — Opportunity rover (MER B) images Burns Cliff inside Endurance Crater in 2004 (NASA). There are hundreds of thousands of craters on Mars larger than 1 km, but only about 1000 of them have names. Names are assigned by the International Astronomical …   Wikipedia

  • Geography of Mars — Topographic map of Mars, courtesy NASA Goddard Space Flight Center, from Mars Global Surveyor laser altimeter research led by Maria Zuber and David Smith. North is at the top. Notable features include the Tharsis volcanoes in the west (including… …   Wikipedia

  • Reference ellipsoid — In geodesy, a reference ellipsoid is a mathematically defined surface that approximates the geoid, the truer figure of the Earth, or other planetary body.Because of their relative simplicity, reference ellipsoids are used as a preferred surface… …   Wikipedia

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