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.
Equatorialobservador. Imagem Sistemaequatorialcoodenadas Image Sistemaequatorialcoodenadas Inkscape Own Randomicc polul sud si polul nord Check categories February pt Sistemadecoordenadascelestes Celestial mechanics Coordinate systems
Page 2023 Free-images.com. All images are Public Domain