Summer Is Ending With a 'Blood Moon' Lunar Eclipse. Here's What To Know.

It’s not often that 3.6 billion people—or 44.4% of the world’s population—look at the same thing at the same time. And it’s not often that something comes along that’s worth the attention of all those billions. But that will happen on the evening of Aug. 27 when much of the world will be able to witness a blood moon lunar eclipse, during which 96% of the face of the full moon will fall into Earth’s shadow, glowing a deep orange-red in the process.Lunar eclipses occur during a full moon, when the Earth is positioned between the sun and the moon, blocking all or most of the solar light that otherwise bathes the lunar surface. On average, lunar eclipses occur two to three times per year, though total lunar eclipses, when the moon is entirely shadowed, make up only 29% of those events. The aut