AstroGeoPlänkel: Fluctuating orbit and a phantom planet

For AstroGeo we research a whole story every two weeks. Only if you support us financially will the podcast stay free of charge. Thank you! In this episode Franzi and Karl devote themselves again to the feedback on the last episodes. Karl tells of his trip to Iceland, where he could see impressive polar lights, but unfortunately – or fortunately? – did not experience a volcanic eruption. It is about the pronunciation of the name of Louis Agassiz…