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Construction of ESA’s ambitious LISA mission begins (space-based gravitational waves observatory)
Today, the European Space Agency (ESA) and OHB System AG sealed their agreement to build ESA's Laser Interferometer Space Antenna, LISA. A bold scientific enterprise, the triple-spacecraft mission will be the first space-based observatory to study gravitational waves: ripples in spacetime caused by the most powerful events in the Universe, such as pairs of supermassive black holes colliding and merging.
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