Publicado: Lun, Enero 29, 2018
Ciencia | Por Aurelio Ontiveros

Blue moon eclipse coming this week

Blue Moons are not as rare as the saying "once in a blue moon" suggests. This total lunar eclipse is called a #Super Blue Blood Moon because three moon events are going to take place on a single night. The origin of the phrase "blue moon" is unknown and has nothing to do with the actual color of the moon. According to American astronomer Phil Plait, the term has traditionally referred to an "extra" full moon, where a year which normally has 12 full moons gets 13 instead.

Each lunar cycle, the moon passes through perigee - the point in its elliptical orbit closest to Earth.

Mr Membrey said the event will begin when the moon sets at 7.50pm, but the proper eclipse will start at 8.50pm and end at 10.10pm. "While the moon is in the earth's shadow it will take on a reddish tint, known as a 'blood moon, '" NASA explained.

The challenge for central OH viewers will be two-fold: increasing high clouds during the pre-dawn hours on Wednesday, and the narrow window to view the partial lunar eclipse, locally.

The blue supermoon lunar eclipse is the highlight of the few weeks of supermoons for this past couple of months, which started with the first supermoon back on December 3, 2017. Because our planet blocks the sun's rays, the moon appears darker in the sky. "Instead of this little, tiny shadow of the moon on the Earth, you have this big shadow of the Earth covering up the tiny moon".

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So for viewers in NY or Washington, D.C., the Moon will enter the outer part of Earth's shadow at 5:51 a.m., but Johnston says it won't be all that noticeable. As the eclipse progresses, the moon will gradually move farther to the north and will set at west-northwest (292.5 degrees).

You won't want to miss this lunar eclipse because NASA says you'll have to wait nearly another year for the next opportunity in North America! Because the sun rises just 16 minutes later, they'll only be able to see the beginnings of the eclipse. It will be visible before sunrise on 31 January from western North America, and because of the worldwide date line, after sunset on 31 January from central and eastern Asia, Indonesia, New Zealand and most of Australia. NASA has said that people all across the globe - if you have access to the internet - will still be able to view the entire show wherever they are. "Unfortunately, eclipse viewing will be more challenging in the eastern time zone".

In the United States, the best viewing (total lunar eclipse) will be in the Western states. "The scattered sunlight makes it turn red (during totality)".

The full moon on 31 January coincides with the Moon's closest approach to Earth.

Fans of the lunar calendar will be pumped for January 31, when a rare celestial event is set to grace our skies.

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