2021's Final Lunar Eclipse Is A Must-See Event!

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The November partial lunar eclipse will be the longest in 1000 years (Credit: NASA)

Partial lunar eclipses are typically not considered as newsworthy as total lunar eclipses. However, the one taking place overnight on November 18 and 19, 2021, is definitely worthy of a mention. It is the year's final partial lunar eclipse — and the longest one in 1000 years. With 97 percent of the Moon slipping into Earth's shadow, the celestial event also promises to be spectacular. The eclipse will be visible to a large area of the globe. Some of the best views will be reserved for North American residents.

NASA officials estimate the almost-total eclipse to last about 3 hours, 28 minutes, and 23 seconds. It will begin at about 2:19 a.m. EST on November 19 (11:19 PST on November 18), reach its maximum around 4 a.m. EST (1 a.m. PST), and end at 5:47 a.m. EST (2:47 a.m. PST). At maximum eclipse — when most of the Moon's face will be covered by the Earth's shadow — the satellite will take on the spooky red hue usually seen during total lunar eclipses.

Map showing the visibility of the Nov. 18-19 partial lunar eclipse. Darker areas indicate greater visibility (Credit: NASA/JPL-Caltech)

The November eclipse's long duration is the result of a "micromoon." During the eclipse's peak point, the Moon will be just 41 hours from apogee — its farthest point from Earth. The distance causes our satellite to travel slower along its orbit and take longer to pass through Earth's shadow. In contrast, the May 2021 eclipse, which occurred just 9 hours after perigee — the Moon's closest distance to Earth — featured a supermoon.

A partial lunar eclipse happens when our planet comes in between the Sun and a full Moon. Since the three are not perfectly aligned, only part of the Moon's visible surface is covered by the Earth's shadow. Unlike solar eclipses, the celestial event can be viewed without any protective glasses.

While US residents will have to stay up late or rise early to view the partial eclipse, it may be worth losing sleep over. That's because the next partial lunar eclipse of this length will not occur until February 8, 2669!

Resources: Space.com, LiveScience.com. Earthsky.org, NASA.org

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132 Comments
  • tysonisepic157
    tysonisepic157almost 4 years
    bruh imma be asleep at that point
    • talkaboutbruno
      talkaboutbrunoalmost 4 years
      I have to get up at 2:00 to 5:00 in the MORNING to see it!????
      • astromochi
        astromochialmost 4 years
        Ooh sweet! This is on the day I have a This Day in history presentation in History :))
        • doglover2012
          doglover2012almost 4 years
          Awesome! I would never think an eclipse would happen right about now!
          • d_dog33
            d_dog33almost 4 years
            wow good to know
            • lill5grace
              lill5gracealmost 4 years
              I am actually learning about this right now in school and I find this interesting to learn about.
            • cabingirl10
              cabingirl10almost 4 years
              So cool! I love these sort of things! The solar system is a beautiful, wonderful, place! So exiting!🌌
              • littlejango
                littlejangoalmost 4 years
                i was driving across the u.s. for the second time, and i woke up at 3 AM to see an eclipse but i forget if it was a lunar or solar eclipse. but was still super cool!!!
                • bored_stari
                  bored_starialmost 4 years
                  That would be a lunar eclipse, because solar eclipses require the sun as the name suggests :).
                  • adahmi
                    adahmialmost 4 years
                    I love seeing eclipses! They are so cool!
                  • adahmi
                    adahmialmost 4 years
                    WOW!! So cool! I have seen a solar eclipse and that was amazing, though we did have to travel a long way to see the whole eclipse. It was still fun to see, and we got to see the cool scenery along the way.
                    • zarkinpants
                      zarkinpantsalmost 4 years
                      It's amazing! I like it!