This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
DLindhagen. sv Portrait of the Swedish astronomer Daniel Georg Lindhagen from Nordisk familjebok of Ugglan author PDold DEFAULTSORT Lindhagen Uploaded with Astronomers from Sweden Images from Nordisk familjebok
Page 2023 Free-images.com. All images are Public Domain