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.
Esfera celeste. Spanish text version from en Image Celestial Sphere The Celestial Sphere divided by celestial equator and celestial poles From Nasa gov PDUSGov derivative works Esfera celesteca Earth Celestial spheres
Page 2023 Free-images.com. All images are Public Domain