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April’s Full Moon: Largest Supermoon of 2020

April’s Full Moon: Largest Supermoon of 2020

There’s a lot of talk of “Supermoons” these days. Did you know April’s Full Pink Moon which happens on April 7, 2020, at 10:35 pm EDT, will be our largest Supermoon of 2020? But what is a Supermoon, what causes it, and how is it different from a regular full Moon?

What Is A Supermoon?

Supermoons are caused by the shape of the Moon’s orbit, which is not a perfect circle, but an ellipse, or oval, shape. The Moon orbits the Earth once each month, and each month, it reaches a point farthest from the Earth, called apogee, and a point closest to the Earth, called perigee.

According to how most people define a Supermoon, it occurs when the Moon is at least 90% of the way to its perigee position at the same time it is in its “full” or “new” phase. An extreme perigean Supermoon is when a full or new Moon happens at the same time the Moon is at perigee.

When we have a Supermoon, the Moon can appear as much as 14% larger and 30% brighter than a normal full Moon.

Learn all about “Moon Illusion” here.

Adler Planetarium Supermoon Infographic

When we have a Supermoon, the Moon can appear as much as 14% larger and 30% brighter than a normal full Moon. Credit: Adler Planetarium

Why New And Full Phases?

The reason these two Moon phases are singled out is because each of them means that the Sun, Earth, and Moon are in alignment. When the Moon is full, it sits exactly on the opposite side of the Earth from the Sun. When the Moon is new, it sits between the Earth and the Sun. In both cases, the gravitational pull from these two bodies — the Moon and the Sun — combine to create higher-than-normal tides, called “spring tides,” on Earth. When the Moon is also at perigee at this time, the effect is magnified into what is called a “proxigean spring tide.”

Of course, a new Moon at perigee isn’t very exciting to look at because in the new phase, the Moon does not reflect the Sun’s light, so it is invisible to the naked eye. So, understandably, full Supermoons get all the attention.

There are actually about four or five Supermoon events each year, only about half of which are full Supermoons. Extreme Supermoons are rarer and occur at varying intervals ranging from as little as a year to 20 years or more.

Not All Supermoons Are Created Equal!

Just as the Moon’s orbit isn’t a perfect circle, it also varies slightly from month to month and year to year. Its perigee during one month may be slightly farther from the Earth than its perigee the next month. The Moon’s average distance from the Earth is 235,000 miles, and its average farthest distance is 248,000 miles.

Two Supermoons in 2020

March’s Worm Moon:

  • Moon turns full 100% astronomically full on March 9th at 1:48 p.m. EDT
  • Moon at perigee on March 10th at 2 a.m. EDT.
  • Distance: 221,903 miles (357,122 km)

April’s Pink Moon:

  • Moon at perigee on April 7th at 2 p.m. EDT.
  • Moon turns 100% astronomically full on April 7th at 10:35 p.m. EDT
  • Distance: 221,772 miles (356,907 km)

You’ll note from the above that in March, perigee came 12 hours and 12 minutes after the Moon turne full. In April, perigee comes 8 hours and 35 minutes before the Moon turns full. The April Supermoon will, in fact, be our largest Supermoon of 2020!

Internet Buzz

The Internet is usually abuzz when there’s a Supermoon, with many people speculating that extreme Supermoons can cause natural disasters such as earthquakes, volcanoes, and tsunamis. But most astronomers dismiss this line of thinking, though, arguing that the 2,000-mile difference — less than 1% of the Moon’s total distance from the Earth — is minimal in the grand scheme of things and unlikely to cause much disruption on Earth, beyond the usual perigean spring tide.

Regardless of what you believe about a Supermoon’s impact on Earth, one thing is certain: if the sky is clear, the view of the rising Moon will always be amazing, so get outside and enjoy it!

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  • youjizz says:

    The supermoon may look especially large to you, however, if it’s very close to the horizon. But that has nothing to do with astronomy and everything to do with how the human brain works. This effect is called the “moon illusion” and may arise from at least a couple of different things. Scientists suggest that perhaps the brain is comparing the moon to nearby buildings or objects, or perhaps our brain is just wired to process things on the horizon as bigger than things in the sky.

  • nicole holcomb says:

    I haven’t seen any thing kind of like that here in alabama lmao 🙂

  • jenny says:

    I saw it okay last night in Australia. Very bright, couldn’t see any significant difference in size.

  • Kim says:

    Awesome Moon,which I enjoy.It appeared brighter,not bigger,here in Maine.I saw it & took pics,which I posted.Thanks,I follow the Moons dates,names,& meanings!

  • jenny says:

    Will we get the same effect here on the other side of the Earth? I’ll certainly be looking out for it anyway. Thanks for that info.

  • ray crannell says:

    guess i miss supermoons in the pass i’ll see this one i hope!
    does it have effect on the weather?

  • Donna says:

    We have an “AWESOME” God and he sends us beautiful presents to enjoy. Hope we can see the moon in Indiana…waiting.

  • Mr.Bill says:

    very kool just what i needed to brighten up this long cold winter thanks.

  • The Occupant says:

    Everyday there are awesome wonders of God. Some days are more AWESOMER 🙂

  • Andrew Grasso says:

    Thanks for posting this article for me Jaime!

  • Beverly De Fronzo says:

    Wow! What an awesome Birthday present I cannot wait to see it! Hope the weather cooperates!

  • midnghtldy says:

    Would love to be sitting on a beach in Hawaii gazing at a moon similar to the one in the above photo. Also I agree with Willow, that Our God does give us some very amazing sites to enjoy.

  • Richard says:

    This is very interesting and if the weather will cooperate I will be taking pictures and see how it looks, also will possibly post them…

  • Dee says:

    @Willow, you said it all!!!!!

  • Willow says:

    Good morning all! Wouldn’t you love to sit on a stump and gaze at a moon looking like the one in the photo for this article?! WOW! Our God gives us such Awesome beauty!

  • terri says:

    thanks, very interesting…learn something new EVERYDAY..

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