The 20-meter telescope in Onsala, Sweden (IMAGE)

Chalmers University of Technology

The 20-meter telescope in Onsala, Sweden

Caption

The 20-meter telescope in Onsala, Sweden, will celebrate 50 years of operation in May 2026. The parabolic mirror, 20 meters across, is protected from the weather by a round, white dome with triangular segments. The new camera is placed behind the centre of the dish.

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(Photo: Chalmers/Anna-Lena Lundqvist)

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