EST, the moon will fully enter the umbra - a state called “totality” - and the eerie red glow will linger through 6:42 a.m. You’ll be able to tell it’s happening because the moon will slowly be swallowed by our planet’s shadow. That’s because the sunlight that shines on the moon during an eclipse must first pass through our atmosphere, which scatters blue light and allows red light - which has a long wavelength, and can better travel through all the material in between it and the moon - to shine on the lunar surface, according to NASA.ĭuring this particular event, a partial eclipse will begin at 4:09 a.m. When the full moon enters the darkest part of that shadow, known as the Earth’s “ umbra,” it takes on a fiery reddish color. Total lunar eclipses happen when the moon moves into the Earth’s shadow during an alignment of the Earth, moon and sun. 8, but there’s a slight catch: You’ll have to head outside during the wee hours of the morning if you want to get a good glimpse of it. Your last chance to witness a total lunar eclipse for the next few years will occur on Tuesday, Nov.
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