Infinite Loop: See the Sun’s Yearlong Figure-Eight in the Sky~Astrophotographer Giuseppe Petri
Infinite Loop: See the Sun’s Yearlong Figure-Eight in the Sky~Astrophotographer Giuseppe Petricca took the image from Sulmona, Abruzzo, Italy. The dots forming a curved figure-8 in the sky mark where the sun appeared every day at the same time in a pattern called an analemma. -- source link