Last total lunar eclipse until 2025 rises on Tuesday, Nov. 8. Here's how to watch.

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A total lunar eclipse, also known as a Blood Moon for its reddish hue, whill rise on Tuesday, Nov. 8. This will be the final total lunar eclipse for three years. (Image credit: Getty)


According to NASA, the full Beaver Moon will experience the last complete lunar eclipse until 2025 on Tuesday, Nov. 8, when it will spend roughly 90 minutes in the darkest region of Earth's shadow.

In East Asia, Australia, the Pacific, and North America, the lunar eclipse will be visible in at least part of those regions. The first phase of the eclipse will start at 4:09 a.m. Eastern Standard Time, so viewers in the United States and Canada will have to be up bright and early to see the spectacle (0900 GMT).

According to NASA, the eclipse's peak, known as "totality," when the whole visible surface of the moon is covered by Earth's shadow, will take place from 5:16 to 6:43 a.m. EST (1016 to 1143 GMT), then gradually brighten as a partial eclipse during the next hour.

A NASA diagram showing how much of the eclipse will be visible to different parts of the world on Nov. 8. (Image credit: NASA)

The full moon occurs when the sun, earth, and moon line up on an invisible 180-degree line around once every 30 days or so. The full moon often avoids Earth's shadow while still capturing the sun's light because the moon's orbit around Earth is slightly inclined in relation to Earth's orbit around the sun. However, during a total lunar eclipse, the moon moves exactly in front of Earth in relation to the sun, quickly disappearing from view.

The umbra, or darkest region of Earth's shadow, covers the moon's core during the dramatic totality phase of an eclipse. The moon really takes on a crimson, rusty color at totality, contrary to what you may assume. For this reason, it is frequently referred to as a "blood moon."

This rusty color results from a process known as Rayleigh scattering, in which red light is curved around the globe until it reaches the moon while blue light is dispersed when sunlight strikes the Earth's atmosphere. As a result, our eclipsed satellite appears ghostly and orange when passing through Earth's shadow. According to NASA, the specific amount of redness on a totally eclipsed moon depends on air conditions above Earth, such as the results of volcanic eruptions, dust storms, and wildfires.

Visit this helpful NASA page for a full map outlining when you may see the various phases of Tuesday's eclipse in various time zones. There is no special equipment required to watch the Blood Moon; however, binoculars or a telescope may help you see the lunar event more clearly.

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