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Don’t panic, but Halloween will have a full moon this year — and it’s a blue moon

A rare phenomenon is expected in the sky this Halloween, but don’t get too spooked out.

It’s a blue moon, an unusual treat that happens about every two and a half years, according to NASA.

Despite its name, officials say the moon won’t actually look the color blue. The blue moon instead will resemble a regular full moon — because it is one.

Blue moon is the term used for the extra full moon that occurs during a season or a month, NASA says. Next month, full moons are expected on both Oct. 1 and Oct. 31, making the second one a blue moon.

Adding to an already unique year, it will be the first time in decades that a full moon will appear in the sky on Halloween, experts say.

“In 2001, ghosts and goblins in Central and Pacific time zones trick-or-treated by the light of a full Moon, but a Halloween full Moon hadn’t appeared for everyone in all time zones since 1944,” the Farmers’ Almanac said on its website.

If you miss a glimpse this year, you will have to wait until 2039 for another Oct. 31 blue moon, McClatchy News reported.

For a less spooky experience, the next “seasonal” blue moon is expected Aug. 22, 2021. And the next “calendrical” blue moon — the second full moon in a month — will appear Aug. 30, 2023, according to the Old Farmer’s Almanac website.

A full moon occurs when the side of the Moon facing Earth is fully lit up by the Sun” and appears as a disc in the sky, according to space experts.

This story was originally published September 17, 2020 at 10:12 AM.

Simone Jasper
The News & Observer
Simone Jasper is a service journalism reporter at The News & Observer in Raleigh, North Carolina.
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