A mostly-complete guide to the May 20, 2012 annular solar eclipse

A mostly-complete guide to the May 20, 2012 annular solar eclipse

What exactly is today’s annular eclipse? A solar eclipse occurs when the moon passes between Earth and the sun, totally or partially obscuring the image of the sun. An annular solar eclipse occurs when the moon’s apparent diameter is smaller than the sun, causing the Sun to look like an annulus (ring), blocking most of the sun’s light. An annular eclipse appears as a […]