Erdrotation & Erdrevolution The earth rotates on its own axis and orbits the sun. To us on earth, it seems like the position of the sun changes 15 degrees in one hour, 10 degrees in 40 minutes, and 5 degrees in 20 minutes in the sky. 2020 27 x 27 x 1 cm Cyanotype paper and wooden frame Private collection Date: 1. Januar 2000 Share: Previous Next