A European organization for astronomical research, the ESO, has his telescopes turned on its Next-Generation Transit Survey. These telescopes search for extrasolar planets that are two to eight times as large as our Earth.
The European telescopes are in Chile, because it often is clear. It is the largest project on the ground, exoplanets to detect. The telescopes are controlled remotely and searching for deviations in the light of the stars to exoplanets. Wednesday, the telescopes started their quest.