What is blue moon, super moon and blood moon?

In recent years it has seemed more common to hear about some phenomena of the moon that, although rare, seem to be increasingly easy to be seen and commented on. Among the best known are the Blue Moon, the Super Moon and the Blood Moon .

On January 31, 2018, for example, there was a rare coincidence between the three phenomena, which “crossed” in the same night. Experts from all over the world called the phenomenon “Super Blue Blood Moon”. But the question is: Do you know exactly what each of these phenomena is and how they differ?

Several phenomena are responsible for changing the way the moon can be seen with the naked eye. The well-known phases of the moon (full, new and waning, for example) or rarer and more difficult states (such as eclipses and curious colors), give the most famous natural satellite on Earth the authorship of many shows in the sky.

Blue Moon, Super Moon and Blood Moon are phenomena that can be seen with the naked eye (Photo: depositphotos)

In addition to beauty, many religions and beliefs based on astrology assume that the moon is responsible for cosmic and behavioral changes in people’s lives, since it is a star. Therefore, rare conditions of the moon can also be understood as unusual positions and opportunities in different beliefs.

Blue Moon

Among the three events, the Blue Moon is the most common among all (Photo: depositphotos)

Among the events that give the moon different names, the Blue Moon is the most common among all. It is, in fact, a second full moon in a single month .

For those who know a little about the phases of the moon, it should be common to know that generally the moon assumes the full phase once a month. On some occasions, however, two full moons sometimes appear in less than 31 days. The second full moon is called the Blue Moon.

See also : Moon phases

Known for being a matter of “calendar”, the Blue Moon does not have a bluish color, in fact . Its name is a reference to the Gregorian calendar, adopted by most countries on the planet. Its appearance, because of this, is more common than other phenomena.

Super Moon (Super Moon)

The supermoon happens when the moon is full (Photo: depositphotos)

The supermoon is also a full moon. Its name was given by the astrologer Richard Nolle, in 1979, when observing a condition of the moon in which it is closer to its perigee, that is, as close to Earth as possible .

In numbers, the supermoon is equivalent to about 14% more brightness and 30% more size than at its peak , when it is farther from Earth (a condition also called Microlua).

On January 1, 2018, a supermoon occurred with 99% proximity to its perigee, and many astrologers only consider this type of proximity as a real supermoon. In other cases, they consider it as an ordinary full moon.

Despite its beauty, size and brightness, the supermoon is not a good sign for many astrologers . There is a belief that she will announce natural disasters in the days following her appearance. Despite this, there is no evidence on this relationship.

The best times to observe the supermoon are when it appears in the early evening or when it is about to set on the horizon. This is due to a matter of optics, as it will look bigger compared to buildings and mountains, for example.

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