High-precision orbit and clock information is a basic requirement for precise positioning with Global Navigation Satellite Systems (GNSSs) such as the American GPS or the European Galileo. Satellite ...
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When did we realize that the Earth orbits the Sun?In 1610, Galileo turned his new telescope toward Venus ... The faster you walk, the greater the tilt needs to be. As Earth orbits the Sun, we can detect a "tilt" of incoming starlight.
A Russian Soyuz-ST carrier rocket that blasted off from the Kourou spaceport in French Guiana has successfully orbited satellites for Europe’s Galileo navigation system PARIS, May 24.
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