The full moon knowledge

Here we begin our little journey to the full moon. A few words about the fascinating quest of the greater purpose, that includes the full moon circulating through our lives. In layman’s terms and not always scientific (astronomy experts – don’t look too closely!). We would like to wish you illuminating moments. Enjoy!

How do you define a full moon?

A full moon is when the Sun and the Moon are facing opposite, being in opposite direction from an Earth perspective.

This might feel astonishing if one imagines that the Moon is on one side, the Sun on the other and the Earth in between? Shouldn’t the Earth throw a shadow onto the Moon? Bingo – this is exactly what she does! But only when the Moon is exactly on the Earth orbit, the so called “ecliptic”. When this takes place, we speak of a lunar eclipse!

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How long is the interval between two full moons?

The Moon needs 27.33 days to circle around the Earth. Something that is also referred to as “sidereal time”. But because the Earth orbits the Sun, just like the Moon orbits the Earth, the Moon has to travel two further days in order to resume the same position to the Earth and Sun. This is then called the “sidereal time”. In order to determine the point of time of the reoccurring full moon, the sidereal time serves as basis.

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When is full moon in Europe, Asia or America?

The answer is: “everywhere at the same time”. This refers to the so called Universal Time (UT) though, which is used for general astronomical events. We have already learnt that full moon is an astronomical event, where the moon, sun and the earth play a role by being in a specific position. So, full moon takes place at a specific time in the outer space. This point of time is specified by astronomers namely by the Universal Time.

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How long is the full moon?

There are multiple ways of approaching this question. If we look at it from a purely theoretical standpoint, we might be tempted to say that the full moon is infinitely short, since the phases of the moon are changing continuously. The moon is not yet quite full shortly before the full moon, and is already waning shortly afterwards.

However, there is a practical aspect that lets us quantify the full moon as a finite and measurable span of time: Since the Sun is significantly bigger than the Moon, its rays are able to reach just a little over half of the Moon’s surface. This means that the timespan in which the visible side of the Moon’s surface is irradiated (as seen from Earth) is longer than infinitely short.

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And is it all the full moon’s fault?

Whether scientists, astrologers or esoterics, they agree on one thing: the moon influences earth and life on earth. For instance, it regulates the tides through its magnetism. Also continents feel the consequence of this magnetism and either raise or lower their position sometimes up to 26 cm.

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Sex and the full moon?

In nature it is a known fact: for some animal species, mating takes place at full moon. However, the examples that can be found on this subject are rather simple. Full moon serves in some cases indirectly as the cause (for instance through the high water levels during the tides that the horseshoe crab uses to deposit its eggs) or also as the signal for both sexes of a species to begin at the exact same time to safeguard their future existence (a particular type of fly or also corals). It is understood that also wolves are led by full moon when it is time to mate.

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It is said …

… that people are looking for an argument at full moon or are especially happy …

… that if full moon is surrounded by a haze, a person dies …

… that you raise your hat three times to the moon (being a man) or you make a curtsey (being a woman), in order to protect yourself from misfortune until the next full moon …

… that whoever does not chink glasses with full moon at least once, does not deserve any happiness [Greek toast] …

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Information about a lunar eclipse

Easily explained

During a lunar eclipse, the Moon moves through the shadow of the Earth. Which means, that the Earth is positioned quite exactly between the Sun and Moon and casts its shadow onto the Moon. This is only possible at full moon and if some other requirements are met. Depending on whether the moon passes the partial or the core shadow of the Earth, we speak of a partial or total lunar eclipse.

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The moon in the honeymoon

In German we call the weeks after the wedding »Flitterwochen«, which has really no relevance to the moon. In many languages it is referred to as »honey moon«, which derives from  »honey month« and therefore denotes a specific time with particular sweetness after the wedding. However, not always has the connection to the moon been interpreted positively, because one saw in the waning of the Moon the symbol of the decline of attraction that the happy couple would experience during the course of years after the wedding.

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Jules Verne’s journeys to the Moon

It is fascinating how the French writer Jules Verne (1828–1905) envisaged the journey to the Moon 100 years in advance in his science fiction novels and was able to put it into words. Admittedly, he was quite taken with describing journeys to unimaginable places: from the deep sea (“20,000 Leagues Under the Sea”), via the circumnavigation of the Earth (“Around the World in 80 Days”) through to the interior of the Earth (“Journey to the Center of the Earth”). Of course, space had to be part of this and this is how Jules Verne firstly wrote the novel “From the Earth to the Moon” (»De la Terre à la Lune«, 1865) and then later the sequel “Around the Moon” (»Autour de la Lune«, 1870).

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The lunar calendar of Islam

As a general rule, we live our secular life by a so-called solar calendar, the Gregorian calendar, which determines our calculation of time since the end of the 16th century. The biggest advantage of a solar calendar is its connection to the seasons: it is warm in summer, cold in winter, at least this is how it should be … at times however, as we all know, the weather goes crazy and sunshine is long-awaited in summer and snow stays away in winter. The seasons are connected to the (solar) calendar months.

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“Full Moon Song” by Peter Bradley Adams

Peter Bradley Adams is an American singer-songwriter, who has managed amid the flood of commercial songs and loud beats, to tell his own story – with a warm voice and quiet sounds.

His song “Full Moon Song” from 2011 is one of those stories.  According to his own statement, this song came to fruition after a short stay in prison (from which he did not break out as stated in the lyrics, but was released on bail). He talks about freedom that now becomes significant to him and makes a new life possible. He wants to see the world through the eyes of a child and experience love without fear of losing something.

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Mola mola – the ocean sunfish (moonfish)

The »sunfish« is called »moonfish« in many languages. It is the biggest and heaviest bony fish in the world, weighing up to 2,500 kg and showing off up to 3 m length and 4 m height! It can grow over 100 years old. Its Latin name »mola mola« derives from its shape, which reminds of a »millstone«, but apparently, also the Moon was the force behind the naming:

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The Roman Lunula Amulet

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In the Ancient Roman Empire, lunula amulets were often worn as a lucky charm, but also as protection against evil forces and demons. Special crescent-shaped jewelry pieces were made for girls, to grant them the protection of the goddess Diana. Diana is the goddess of the Moon and also of hunting in Roman mythology. Artemis is the equivalent among the Greek Gods.

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Tecciztecatl – the moon god of the Aztec

The Aztec were indigenous people (natives), who lived in Central America between the 14th and 16th century, in the area of today’s Mexico. Just like all primordial nations, they had a variety of deities and Tecciztecatl is the god of the moon. Many stories about the Aztec have been passed on, most of them appear sinister and cruel. Also their ending, precipitated by the Spanish conquerors, was bloody and does not belong to the chapters man can boast about. And so, you look to the past with split feelings.

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The origin of the Moon

The Moon has not always been there. And although, no one has been present to observe its creation, scientists today, largely share the view that our Moon originates from a collision between Earth and another planet 4.5 billion years ago.

Our Earth – that looked completely different to how we know it to be today – had been circling with the planet Theia, which was about the size of our Mars, around the Sun. Some day, these two orbs clashed, produced an inconceivably powerful collision that totally destroyed Theia and catapulted an enormous amount of rocks into the orbit of Earth.

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The full moon in opera

Let us still stay with the music for a little while and let us bring our attention to a grand musical genre of theatre, the opera. We recently saw TOSCA (from Puccini) in Madrid and lo and behold! In the first act, we suddenly heard »luna piena«, which is Italian for full moon. A real highlight!

Then we had the idea to rummage through some libretti (opera lyrics) to find out if the full moon motif may also play a part in other operas. For this purpose, one can view the libretti online. We were interested in particular in the actual mentioning of it, as these were created by the composers themselves, whereas the appearance of the full moon on stage was usually the part of the stage designer.

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