Infinite Loop: See the Sun's Yearlong Figure-Eight in the Sky (Photo)
Monday, January 11, 2016 - 16:50
in Astronomy & Space
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.