The Effelsberg Radio Observatory, home of the giant 100 m Radio Telescope of the Max Planck Institute for Radio Astronomy (MPIfR), celebrates its next Open Day on Saturday, Sep. 09, 2017, from 10 am to 5 pm.
Everyone is welcome to visit the observatory, see the control room where the observations are supervised and also have a close view onto the 100-m Radio Telescope. No entrance fee and no registration is required.
More information here.