Tonight is very special full lunar eclipse during winter solstice.

The 12 Stages of Monday’s Total Lunar Eclipse

Rare lunar eclipse at solstice begins early Tuesday

The Wichita Eagle

The moon will put on a three-hour show early Tuesday, slowly disappearing, turning copper red, and reappearing.

The red part ā€” a full eclipse, with the Earth’s companion orb covered by the Earth’s shadow ā€” is expected to last from 1:41 to 2:53 a.m. The grounds at Powell Observatory in Louisburg, Kan., will be open for people who want to gather.

The shadow will start to creep across the moon at 12:32 a.m. and disappear at 4:01.

Some ancient civilizations believed a lunar eclipse meant a dragon was in the sky, eating the moon and flooding the sky with its blood, while other civilizations banged pots and pans until the moon simply reappeared.

“To me, it is a mathematical process,” said Robert Henry, assistant director of the Fairmount Center for Science and Mathematics Education at Wichita State University. “The moon has a tilt and the Earth has a tilt and we align twice a year.”

Or, if you wish, Henry said: “That will be bite, bite, bite, totality and then, bite, bite, bite” full moon again.

“It is red because the light from the sun is being refracted through the Earth’s atmosphere,” he said.

Lunar eclipses occur when Earth’s shadow crosses the moon. The outer shadow is called the penumbra, and the dark, inner shadow is called the umbra.

A partial eclipse occurs when only a portion of the moon enters the umbra. When the moon travels completely into the Earth’s umbra, that’s a total eclipse.

But this one is special: It falls on the winter solstice, or the morning of the longest night of the year. After Tuesday, the days will slowly begin to lengthen again.

According to the National Weather Service, a solstice total lunar eclipse is rare.

“The US Naval Observatory inspected a list of eclipses going back 2000 years,” the Weather Service said on its website. “Until this year, there was only one such occurrence, way back on December 21, 1638. The next such occurrence will be on December 21, 2094.”

Is this lunar eclipse enough to excite astronomers?

“Oh, heck yes,” Henry said. “It is something that doesn’t happen often. Unlike meteor showers, you don’t need to be somewhere where it is dark to see it properly. You can be in the middle of the city, anywhere, and poke your head outside and watch.”

And don’t forget to watch for the moon to turn red.

Reach Beccy Tanner at 316-268-6336 or



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