Moon 2013 — Blood

The answer lies in the edges of our world. As sunlight grazes the perimeter of Earth, it passes through our atmosphere. The blue and green wavelengths of light are scattered away (the same reason our sky is blue during the day). The red and orange wavelengths, however, bend or refract around the planet and project onto the Moon’s surface. Essentially, during the 2013 eclipse, viewers were looking at the combined light of every sunrise and sunset happening simultaneously on Earth, reflected off the lunar surface.

Penumbral Lunar Eclipse of May 25, 2013 from Nepal (Kathmandu) blood moon 2013

By 3:07 AM Pacific time, totality took hold. The answer lies in the edges of our world

Unlike a solar eclipse, which requires specialized glasses and a narrow viewing path, the Blood Moon of 2013 was democratic. No telescopes were required. From the skyscrapers of New York to the deserts of Chile, the view was the same: a massive, deep-amber orb hanging low in the sky. The red and orange wavelengths, however, bend or