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A lunar eclipse occurs when the moon, Earth , and the sun all line up, with Earth in the middle. During the eclipse, Earth's shadow is cast onto the full moon , dimming—but not completely obscuring—its surface. Unlike solar eclipses, the lunar varieties are safe to view without any special eyewear.
Lunar eclipses occur twice a year. The previous one fell on June 26, The winter solstice lunar eclipse will be the first total eclipse of the moon in nearly three years, the last one being on February 20, , according to Singh. See solstice pictures : fire rites, druids, and more. Around 1 a. ET Tuesday, you may notice a ghostly shading of the moon, marking the arrival of Earth's faint outer shadow, or penumbra. Shortly after a. ET, begin looking for the first signs of a dim "bite"—Earth's shadow—advancing across the moon from the left.
The total eclipse, or totality—when the entire moon is dimmed by Earth's shadow—begins at a. ET and will last a little over 70 minutes. Around a. ET, as the moon plunges into Earth's umbra—the dark center of our planet's shadow—the moon will slowly begin glowing orange.
The next total lunar eclipse will occur on June 15, , and will be best seen from southern Asia and eastern Africa. North Americans will have to wait until April 14, Earth's thick, dust-filled atmosphere filters the sunlight shining through it, resulting in the rusty hue of a total lunar eclipse—the same reason the sun looks reddish during sunrises and sunsets.
The moon's color during a lunar eclipse can vary from dark gray to blazing orange, according to the amount of dust in Earth's atmosphere at the time. Since there hasn't been such an eruption recently, astronomers are forecasting a bright orange color for the winter solstice eclipse. While there are no known historical records of solstice eclipses, lunar eclipses in general have long been sources of mystery and spectacle—and not necessarily in a good way. Ancient documents from Asia, Europe, and the Middle East are full of references connecting eclipses with subsequent dark events, such as a famine or the death of a monarch.
Take a moon myths and mysteries quiz. In many traditional cultures, a total lunar eclipse occurs not when the moon enters Earth's shadow but when a mythological creature swallows the satellite, according to ancient-astronomy scholar Ed Krupp.
In Iraq lunar eclipses are associated with a popular children's story of a moon that is eaten by a whale. All rights reserved. In , for the first time since , a total lunar eclipse of a full moon falls on the winter solstice—a stargazing event almost anyone in North America will be able to see before dawn Tuesday, weather permitting. Lunar Eclipse A lunar eclipse occurs when the moon, Earth , and the sun all line up, with Earth in the middle.
The last hint of Earth's shadow will slip away around a. Share Tweet Email. Why it's so hard to treat pain in infants. This wild African cat has adapted to life in a big city. Animals Wild Cities This wild African cat has adapted to life in a big city Caracals have learned to hunt around the urban edges of Cape Town, though the predator faces many threats, such as getting hit by cars.
India bets its energy future on solar—in ways both small and big. Environment Planet Possible India bets its energy future on solar—in ways both small and big Grassroots efforts are bringing solar panels to rural villages without electricity, while massive solar arrays are being built across the country.
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