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.
Apsidendrehung. de January Apsiden oder Periheldrehung Eigene Zeichnung Benutzer Rainer Zenz PDuserw de Rainer Zenz Original upload log de Wdwdbot CommonsHelper de Apsidendrehung Rainer Zenz bytes no oder Periheldrehung Eigene Zeichnung Orbits Precession
Page 2023 Free-images.com. All images are Public Domain