ESA's LISA Pathfinder lifted off earlier Dec. 3, 2015 on a Vega rocket from Europe's spaceport in Kourou, French Guiana, on its way to demonstrate technology for observing gravitational waves from space. Gravitational waves are ripples in the fabric of spacetime, predicted a century ago by Albert Einstein's General Theory of Relativity.
via Science Daily
Zazzle Space Exploration market place
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