Free Astronomy Magazine March-April 2018

38 EXOPLANETS ExTrA goes into action by Michele Ferrara T his night view shows the three domes of ExTrA under a spectacular sky where the Orion constellation (just to the right of the centre) and the Pleiades star cluster (to the left) stand out. [ESO/Petr Horálek] MARCH-APRIL 2018