The fascination of astronomy
Anyone who has ever experienced the fascination of astronomy under a clear starry sky will not let go of it. At kosmos-os, enthusiastic and committed astronomers from Osnabrück and the surrounding area meet to share this fascination with others. Our "Sternstunden" make astronomy tangible for everyone - wander together into the distance...
Next events
29.11.2025 17:30 Uhr
Discover the starry sky with us!
Our meeting point will be announced here
Current status: as scheduled
19.12.2025 17:00 Uhr
Sky tour at the Osnabrück Piesberg in collaboration with
Museum Industriekultur Osnabrück
Current status: as scheduled
Latest posts
- Excursion to the GEO600 gravitational wave detector near Hanover on October 28, 2025
What was supposed to be 1.5 hours turned into almost 2.5 hours. This wasn't time dilation as predicted by Einstein's theory of relativity. But in a broader sense, it did have something to do with Einstein, because we at kosmos-os visited the GEO600 gravitational wave detector near Sarstedt, close to Hanover, on November 28, 2025. - The Comets Lemmon and Swan in 2025
Comets are fleeting creatures. They usually don't announce their arrival. This is because they almost always arrive from far away in space, pay us a visit, and then disappear forever. The current visitors are comets C/2025 A6 (Lemmon) and C/2025 R2 (SWAN). In recent weeks, despite adverse weather conditions, some of us have been successful in our "hunt" for these two comets.
