Webcelestial sphere, the apparent surface of the heavens, on which the stars seem to be fixed. For the purpose of establishing coordinate systems to mark the positions of heavenly bodies, it can be considered a real sphere at an infinite distance from the Earth. The Earth’s axis, extended to infinity, touches this sphere at the north and south celestial poles, … WebTo view this best, enlarge browser window so it fills your screen Back to chapter text
Celestial Sphere Animation - Sonic
http://astro.unl.edu/classaction/animations/coordsmotion/radecdemo.html http://astro.unl.edu/interactives/sunpaths/6_CelestialSphere.html prime landscape arlington
Orbits and the Ecliptic Plane - GSU
http://phys23p.sl.psu.edu/phys_anim/astro/indexer_astro.html WebFeb 15, 2014 · Play/Download Movie: [Ogg Theora - 14MB] [XVID - 9.5MB] [MPEG1 - 11MB] This is a movie designed for use in a lecture on the celestial sphere. It starts with … WebThe celestial sphere is tipped relative to the observer in the same way as is the Earth. The extension of the Earth's rotation axis to the sky defines the North and South Celestial Poles (the NCP and SCP), while the extension of the Earth's equatorial plane defines the celestial equator. The NCP is in the constellation Ursa Minor (the Smaller ... prime laser houston