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Time-lapse video sequence of the ExTrA planet-hunting facility at La Silla
The ExTrA telescopes are sited at ESO’s La Silla Observatory in Chile. They will be used to search for and study Earth-sized planets orbiting nearby red dwarf stars. ExTrA’s novel design allows for much improved sensitivity compared to previous searches.
Telif:ESO/Petr Horálek
