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 wrist watch on the Moon

What does an astronaut has on his wrist? You are not going to believe it, but it is something completely earthly: a watch. Because time is, next to the coordinates which show his position in space, the most important information for his mission and his life. And although, astronauts are surrounded by all kind of instruments, it has already been thought of in the beginnings of space travel to equip the crew with wrist watches. Of course with special models only.

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Batman and the full moon

Who doesn’t know Batman, the comic hero who fights the sinister subjects of the big city at night as a bat man with super powers. Who has not seen him in movies or held one of the comic books in his hand? What we are mostly interested in, at this point, are not however, his impressive appearance, nor the trendy outfit, but the affinity to the full moon. Batman can be seen standing in front of the circular moon in countless images, his black cape blowing in the wind. And also the famous batman logo is always portrayed in connection with the moon, whether hovering against the light or as a full-moon-like light projection in the black night sky (the so-called »Bat-Signal«).

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Red moon in the darkness

On Wednesday, 15th June 2011 (or Thursday 16th June for certain time zones) is full moon and a total lunar eclipse at the same time. However, it will only be completely visible in the Near and Middle East. In Asia and Australia, the moon will be already set and in Europe and Africa, the moon will be just rising by the time the lunar eclipse takes place. In America, this event won’t be visible at all.

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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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The full moon on Japanese woodblock prints

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Japanese woodblock prints have a centuries-long tradition and stand for high quality craftsmanship and artistic expressiveness. In particular, when realizing that this printing technique has been practiced since the 8th century (when letterpress printing in Europe was still a distant prospect), it becomes clear what kind of cultural achievements can be associated with this. A woodblock print works just like a stamp that has been carved into a block of wood. Then the color is applied onto the wood and printed onto paper. If you want to print a variety of colors on top of each other, you need a separate woodblock per each color and hence receive the characteristic depth effect.

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The sexual position “full moon”

It is getting quite hot now, as there is indeed a sexual pose, called “full moon”, at least in the German language. This name has not been given in every country. In English it is referred to “reverse cowgirl”. This makes one curious …
In this position, one partner lies on the back (usually the man) and the other partner (usually the woman) sits on top in squat position, but in reverse and turning the back and buttocks towards the person lying underneath.

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The »golden handle« of the Moon

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When the sunlight appears on the Moon’s surface in a flat angle, interesting lighting effects are created, due to the mountains and valleys, which can be observed quite well from the Earth. A well-known effect is the so called »golden handle«. This is when the Jura Mountains (»Montes Jura«) are illuminated 4 to 5 days before the full moon and appear as a bright arc, in front of the still darkened Sea of Showers (»Sinus Iridum«) of the Mare Imbrium. This is reinforced by the fact that the boundary of light and shadow, which is called »terminator«, runs directly through this area.

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The Moon on the run?

When looking at the Moon, how slowly it travels across the night sky, one could easily forget that we are moving with a staggering speed through space with our Earth and our Moon. Furthermore, there is the rotation of the orbs to each other, which remains hidden from our senses as well. Only the mind knows of these astronomic connections and only for a short period of time (measured by our existence).

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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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