after 15 month of rebuilding it's now the most modern planetarium in the world. a dome of 21m diameter shows up to 9100 stars at the same time. this projector cost approx 2.5mil euro and has more than 100.000 stars in memory. lots of different shows around nature, physik, history ... are shown from 10.00-22.30h. entry from 1€ up to 7€. always worth a visit.