Astronomers are hyped (and so are we!) for January 31st because something phenomenal that hasn't happened in over 150 years will happen: a total lunar eclipse. The moon on this day is expected to produce an effect called "blood moon" and will occur at the same time of the so-called "blue moon."
What is a blue moon?
The blue moon is the name given to the second full moon within a month. It is a rare phenomenon that only occurs every two and a half years. That's why the phrase "once in a blue moon" refers to something that happens once in a while.
What's rarer is that this event will coincide with an eclipse: the last record of a similar event dates from March 31, 1866, 152 years ago.
Why is it called a Blood Moon?
This phenomenon is directly related to the lunar eclipse of January 31, which will only be visible in western North America. During the event, the Earth will be positioned between the Moon and the Sun and, not receiving the sun's rays, the satellite will have a color between orange and reddish.
Undoubtedly, it is a unique event in astronomy. But 2018 is just beginning and has more phenomena of this type, among them, another blue moon that will occur on March 31.
*Translated from the original article by Luciana Martinez published on VIX Español
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