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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Lunar lava tubes

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When inviscid lava flows out of the volcano, it is possible that cavities are created inside the conduits, due to the different speeds of flow and temperatures. It is like a roof being formed above the flow of lava, which continues to flow inside. After cooling of the rocks, tubular cavities remain.

This phenomenon exists on Earth when volcanoes erupt, and scientists assume that those tubes and cavities could also be  prevalent on the Moon, dating from a time when vulcanoes were still active there. The lesser gravity benefited the formation of the tubes and might have also contributed to the fact that there could be kilometer-sized cavities underneath the Moon’s surface.  

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Sharks and the full moon

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Our article “Fishing during a full moon” has already indicated the discussion about whether moonlight might influence the behavior of fish. Now we have found a study, which was conducted by Australian scientists in 2013, who have examined the diving behavior of 39 gray reef sharks in Palau (an island country in the Pacific Ocean), namely with regards to environmental influences, like water temperature and also lunar happenings, in particular the full moon and the new moon. They tagged the sharks with transmitters and thus were able to measure where and how deep they dived during certain times.

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The biblical Moon

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We have already searched and found the word »full moon« in the Bible, but only in two places in the Old Testament (Psalm 81:3–4 and Proverb 7:18–20). This is surprising, because the Last Supper of Jesus and his disciples must have taken place during the full moon, and hence, should have been mentioned in the New Testament.

We have extended our research and have looked for the word »moon« in the Bible. Here too, most passages can be found in the Prophetic books and Psalms of the Old Testament. However, there are also two places in the New Testament in the Gospel of Luke and Mark.

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“Full Moon Silhouettes” by Mark Gee

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“Full Moon Silhouettes” is an almost 4 minute real time video by the Australian photographer and visual effect artist Mark Gee, where the rise of the full moon is shown, above Mount Victoria lookout in Wellington (New Zealand). You can see an uncut sequence where the Moon rises from the lower right corner above the horizon, and ascends to the left upper side (because this takes place on the southern hemisphere!). The visitors on the lookout are visible as black silhouettes in front of the yellow Moon and its luna maria.

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Sonoma Valley – “Valley of the Moon”

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The Sonoma Valley is a valley in California, close to San Francisco Bay and is also referred to as “Valley of the Moon”. The original Native American Indians who inhabited this valley, called it “sonoma”, which means “Valley of the Moon” in their language. The Miwok and Pomps were Native American tribes that spread in the northern part of California and also settled in this valley. In a legend of the Miwok tribe, it says that the Moon rose from the Sonoma Valley and is there in complete harmony with nature.

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»The Woman of the Apocalypse« and the Moon

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»The Woman of the Apocalypse« is a depiction of a Virgin Mary that is surrounded by sunrays (hence she is also called sun-crowned Madonna), and shows a moon crescent underneath her feet. Quite often stars can also be seen around her head. This portrait goes back to the biblical text »The Woman and the Dragon« in the Revelation of John, chapter 12. This describes the fight of heaven against the red dragon that embodies the evil in the world.

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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 shepherd in the Moon« (Romania)

The Rumanian fairytale »The shepherd in the Moon« tells the story of a shepherd:

He once came to a rich nobleman and received the gift of a piece of land and a herd of sheep from him. He settled as shepherd and began to play beautiful melodies on his flute at night, which – as you’ll find out later – reminds him of his deceased beloved. These songs were so wonderful that all sheep gathered around him to listen, even the ones of the neighbouring shepherds. They now became envious of the flute player and tried to blacken his name with the nobleman. But when he stuck by the shepherd with the flute, the other shepherds made attempts on the life of the good shepherd and tried to kill him. He escaped and left the country full of grief and pain.  

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Can you read in the full moon light?

Moonlight is with only 1 lux brightness a thousand times weaker than the sun light with more than 100,000 lux. Nevertheless, you sometimes get the feeling that it is so bright in the full moon that you should be able to read. We would like to give this a try and invite all full moon friends to start on a small reading test in the full moon light and to report back the results.

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More births at full moon?

It is often said that more children are born at full moon. Meanwhile, many different studies have shown this not to be the case.

An American study from the years 1997–2001, can probably be referred to as a very popular example that investigated the influence of the moon cycle on births. The study was conducted with an impressive amount of 564,039 births and took place over a period of 62 moon cycles. Not only full moon, but also all other phases of the moon cycle were observed with the result that there is no verifiable correlation:

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