Stock Photo - 1968 - Highest radio telescope in the world: it was built by the Friedrich Krupp company for the Max Planck Institute for Radio Astronomy. It is situated near Effelsberg in the Eifel mountains. It was put into operation in the fall of 1970. It' parabolic mirror is 100 meters in diameter. (Credit Image: © Keystone Pictures USA/ZUMAPRESS.com)

Stock Photo: 1968 - Highest radio telescope in the world: it was built by the Friedrich Krupp company for the Max Planck Institute for Radio Astronomy.

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