The lobby is home to F. G. W. Struve’s geodetic measurements, which have left such an undying impression in the history of science that they have been added to the UNESCO World Heritage list.

The Eastern Hall invites visitors to examine an assortment of historical telescopes of different shapes and sizes, which are all eclipsed by the world-famous Fraunhofer Refractor. In addition to the telescope collection, visitors can also explore our collection of globes, the oldest of which is an Arabic celestial globe from the Middle Ages. Numerous touchscreen computers offer information on the exhibits and a variety of interactive games.

The Clock Room tells visitors how time was measured in Estonia between the two World Wars and what meaning and importance time carries in astronomy.

The Western Hall offers fun activities for both young and old. In addition to the information boards and computers that tell stories about the development of astronomy and Estonian astronomers, you can observe illuminated constellations, study the scale model of the Solar System, count different meteorites, and try to lift an iron meteorite.

But that’s not all! The ground floor leads into the basement where you’ll find an exhibition on seismology. And if you go up the stairs you’ll find an interesting moving tower which, along with the Zeiss Refractor, might make a lover of astronomy out of any visitors.