If Albert Einstein were alive to witness Italy's Laser Relativity Satellite (LARES) in action, he might just start dancing. That's because the tungsten sphere, just over a foot in diameter, is meant ...
On May 4, 1976, NASA launched LAGEOS (short for Laser Geodynamic Satellite), a 900-pound orbiter dedicated to a precision measurement technique called laser ranging. The still-functioning satellite ...
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