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How to use EarthSky’s lunar calendar

Live by the moon! Here’s why you need an EarthSky lunar calendar, the top tips for using it, and where you can order one.

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A mostly deserted street in a big city with lanterns strung across the roadway.

China’s Lunar New Year exodus cools major cities

A study found that when businesses close for a week and people travel to rural areas for the Lunar New Year, temperatures in large Chinese cities drop.

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61 photos of the moon. There are grey, orange and red colors. 2 photos have the shadow of a plane.

Lunar New Year 2023: Year of the Rabbit

The Lunar New Year falls on January 21, 2023 (January 22 in Asia). It coincides with the date of new moon and signals the start of the Year of the Rabbit.

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A nearly full reddish Mars seen from orbit, with a giant dark slash covering near a whole hemisphere.

Mars calendar year begins December 26

Mars calendar year 37 begins on December 26, 2022. If you’re looking for a reason to celebrate, here’s to a Happy New Year ... on Mars.

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Composite of 17 images of the total lunar eclipse in a spiral.

Photos – total lunar eclipse – November 8, 2022

Photos of the total lunar eclipse on November 8, 2022, from the wonderful EarthSky community! Thanks to all who submitted photos.

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Lunar craters and 'seas' on the reddish moon's surface.

Lunar eclipse: Tips for watching the eclipse

A total lunar eclipse is coming up on the morning of November 8, 2022. Here are some tips for watching and enjoying the eclipse.

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Large orange-red moon in dark blue sky over a steep brushy hillside.

1st Election Day total lunar eclipse for US

Tuesday, November 8, 2022, will bring the 1st Election Day total lunar eclipse in U.S. history. It won't happen again until November 8, 2394.

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Animated gif showing lunar libration, as moon's phase changes.

Lunar libration: January 7 moon maximum for 2022

One side of the moon always faces Earth. Even so, over time, it's possible to see as much as 59% of the moon's surface, due to lunar libration.

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Fisheye overhead view of wispy clouds with bright circle of moon and one bright ring and two off-center rings.

Rare moon halo photo, captured during lunar eclipse

Eliot Herman in Tucson, Arizona, took an incredibly rare moon halo photo during the partial lunar eclipse on November 19, 2021.

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Reddish moon with a white glow on the lower left side.

Lunar eclipse photos November 18-19, 2021

A selection of lunar eclipse photos from the EarthSky Community. Did you see it? It was a deep partial eclipse ... almost total!

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Chart of November 18-19, 2021, lunar eclipse.

Deep partial lunar eclipse November 18-19: Great for North America

A partial lunar eclipse occurs on November 19, 2021. It will reach the Americas, North Europe, eastern Asia, Australia, and the Pacific.

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Cloudy but with sunlight falling on hilltop village ruins in very pointy mountains.

November 2021 partial lunar eclipse longest for 1,000 years

The partial lunar eclipse on November 19, 2021, will be the longest since the 15th century, around the time Machu Picchu was being built.

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Closeup crescent moon and distant crescent Earth with irregular gray space rock floating between.

Piece of the moon? Asteroid might have lunar origin

Astronomers at the University of Arizona say that a peculiar near-Earth asteroid may actually be a lost piece of the moon that broke off in the ancient past.

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Sunrise (or sunset) along the rim of Earth.

Tonight is New Year’s Eve in the Julian calendar

Happy Julian New Year! January 13, 2021, marks the last day of the year in the old-style Julian calendar. Why, and what happened when the calendars switched.

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Four-wheeled machine with big solar panel at edge of a deep, dark pit on the moon's gray surface.

Meet PitRanger: Tiny rover designed to probe the lunar underworld

Researchers have been busily building a prototype of a 33-pound (15 kg) lunar mini-robot, set to be the key instrument in a future mission aimed at capturing high-definition images of moon pits.

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Lengths of lunar months 2021

Lunar months are the time between successive new moons. A lunar month is also called a lunation or a synodic month.

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Image of moon at second perigee in June 2020.

2 lunar perigees in June 2020

Enjoy the moon in all its majestic mystery as it reaches its 2nd perigee of the month, and its most distant perigee of the year.

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A gif of a rocking moon, showing a simulation of what we see of the moon's surface over a month.

Lengths of lunar months 2020

In 2020, the longest lunar month happens between the February 23 and March 24 new moons; and the shortest one between the August 19 to September 17 new moons.

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Lunar light pillar over Antarctica

We see a fair number of photos of light pillars - shafts of light extending from the sun or other bright light source - taken from northerly latitudes. This one is caused by the moon, and it's over Earth's South Pole.

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Photos of January 20-21, 2019, lunar eclipse

This 2019 total eclipse of the moon was the last one until May 2021. The EarthSky community captured it. A selection of images here. See more at EarthSky Community Photos!

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