Solar Observatory Tower Meudon

The solar observation tower Meudon is a 36.47 -meter-high concrete tower on the site of the Observatory in Meudon, which contains in its interior a spectrograph for the study of sunlight. The 1964/65 built solar observation tower Meudon has a shaft diameter of 6.6 meters. He wears in 30.57 meters, an observation floor at 18.4 meters in diameter.

Since the installed in the tower telescope should also show no fluctuations in strong winds, the tower consists of two nested inside each other reinforced concrete concentric tubes, which are separated by a ten-centimeter wide air gap.