... Credit Copyright: Daniel Fischer ( Cosmic Mirror ) Explanation: Sometimes, during a total eclipse of the Sun, a strange shadow of darkness can be seen stretching off into the distance. ... Shadow cones are particularly dramatic for eclipses near the horizon , as geometry creates a long corridor of sun-blocked air. Visible above is a shadow cone caught during a sunset total solar eclipse visible last month from Patagonia , Argentina . ... Publications with keywords: total solar eclipse . ...