
Three Space Illustrations
The Equatorial Coordinate System is a popular method of mapping celestial objects. It functions by projecting the Earth's geographic poles, equator, and ecliptic onto the celestial sphere.
Shown are the two possible lifecycles of a star.
The Global Positioning System (GPS) is a U.S. space-based global navigation satellite system. This illustration shows how the GPS unit uses triangulation with three GPS satellites to determing precise position.
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