a perfect circle animation

Skywatchers will enjoy a rare space triple-header Friday night and early Saturday morning: A “penumbral” lunar eclipse during the full “snow” moon — and the flyby of a comet. 2/ 10 /2017

“The earth together with its surrounding waters must in fact have such a shape as its shadow reveals, for it eclipses the moon with the arc of a perfect circle”

~ Nicolaus Copernicus

~ Art Jerry - Uelsmann Eclipse 101

~ Animation Motion by George RedHawk