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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.

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.

Lifecycles of Stars

Shown are the two possible lifecycles of a star.

The Global Positioning System (GPS) is a U.S. space-based global navigation satellite system.

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.

Copyright 2007: All original artwork remains the property of Dave McKay.