|Definition: A full moon is the lunar phase that occurs when the Moon is completely illuminated as seen from the Earth. This occurs when the Moon is in opposition with the Sun. Since ancient times, full moons have been associated with odd or insane behavior, including sleepwalking, suicide, illegal activity, fits of violence and, of course, transforming into werewolves.|
For thousands of years, doctors and mental health professionals believed in a strong connection between mania and the moon. Hippocrates, considered the father of modern medicine, wrote in the fifth century B.C. that "one who is seized with terror, fright and madness during the night is being visited by the goddess of the moon." In 18th-century England, people on trial for murder could campaign for a lighter sentence on grounds of lunacy if the crime occurred under a full moon; meanwhile, psychiatric patients at London's Bethlehem Hospital were shackled and flogged as a preventive measure during certain lunar phases. Even today, despite studies discrediting the hypothesis, some people think full moons make everyone a little loony.
Other Myths and Theories
Aliens inhabit the moon
In the 1820s, the Bavarian astronomer Franz von Paula Gruithuisen claimed to have glimpsed entire cities on the moon with his telescope. He wrote that the "lunarians" who lived there had built sophisticated buildings, roads and forts. Most of his colleagues scoffed at his assertion, but he eventually got a small lunar crater named after him. Sir William Herschel, a prominent British astronomer and composer, also thought aliens lived on the moon and made regular observations about the progress of their construction projects. In 1835, when the New York Sun published a series of fraudulent articles about the supposed existence of life on the moon (pulling off the so-called "Great Moon Hoax"), it falsely credited Herschel's son John, a famous astronomer in his own right, with the shocking discovery.
The moon controls fertility
Perhaps because the menstrual and lunar cycles are similar in length, many early civilizations believed that the moon determined when women could become pregnant. This could explain why female moon deities-from the Chinese goddess Chang'e to Mama Quilla of the Incas-figure so prominently in mythologies from around the world. In the 1950s, the Czech doctor Eugene Jonas stumbled across an ancient Assyrian astrological text stating that women are fertile during certain phases of the moon. He based an entire family planning method on this hypothesis, telling his patients they ovulated when the moon was in the same position as when they were born. According to another theory that persists to this day, full moons cause an uptick in births, flooding maternity wards with mothers-to-be in labor. Recent studies have turned up little statistical evidence for moon-induced baby booms, however, and most experts think any lunar effect on procreation is imagined.
The moon is a hollow spacecraft
Several science fiction books of the early 20th century, including H.G. Wells' "The First Men in the Moon," take place within a hollow moon inhabited by aliens. In 1970 two Soviet scientists took this seemingly whimsical premise a step further, proposing that the moon is actually a shell-like alien spacecraft built by extraterrestrials with superior technology and intelligence. According to astronomers, the moon-though admittedly enigmatic as far as celestial bodies go-couldn't maintain its mass and gravitational field if it lacked a dense core.
We never really went to the moon
Despite overwhelming evidence to the contrary, some people believe that the Apollo moon landings were faked by NASA, which used doctored photos, staged videos and other ploys to dupe the public. Proponents of these hoax claims argue that technology was not advanced enough for astronauts to reach the moon and return home safely; they also point to ostensible signs of studio trickery, including the fact that the American flag planted by the Apollo 11 crew in the lunar surface appeared to flutter in the vacuum of space. In 2002, retired astronaut Buzz Aldrin, who became the second person to walk on the moon in 1969, grew so exasperated with one conspiracy theorist's accusations that he punched him in the face. The septuagenarian space pioneer was not prosecuted.
The Nazis had a base on the moon
After World War II, rumors circulated that German astronauts had traveled to the moon and established a top-secret facility there. Some even speculated that Adolf Hitler faked his own death, fled the planet and lived out the rest of his days in an underground lunar hideout. Connections were also drawn between flying saucer sightings-including the famous incident near Roswell, New Mexico, in 1947-with the Nazis' alleged UFO development program. These theories form the basis of the science fiction novel "Rocket Ship Galileo," published by Robert A. Heinlein in 1947.
A rabbit dwells on the moon
Intriguingly, legends from various traditions around the world, including Buddhism and Native American folklore, recount the tale of a rabbit that lives on the moon. This shared myth may reflect common interpretations of markings on the lunar surface-an alternate take on the fabled "man in the moon." Shortly before Apollo 11 landed on the moon in 1969, mission control in Houston jokingly referred to the Chinese version of the story, telling the spaceship's crew, "Among the large headlines concerning Apollo this morning, there's one asking that you watch for a lovely girl with a big rabbit." Command module pilot Michael Collins replied, "Okay. We'll keep a close eye out for the bunny girl."
A super full moon occurs when the moon's closest approach to the Earth (lunar perigee) coincides with the phase of full moon. When this happens the moon may seem bigger and brighter. However, for the ordinary star-gazer there will be no significant difference.
The distance of the moon from the Earth varies throughout the month and year. The average distance is about 238,000 miles (382,900 kilometers). The moon's position furthest away from Earth is called "apogee" while its closest approach to Earth is referred to as "perigee". These events do not regularly coincide with the phases of the moon. However, it can happen that the moon is at perigee during the phase of full moon. This event is referred to as Super Full Moon.
Natural disaster trigger?
Fears that a Super Full Moon may increase the probability and severity of natural disasters can also be traced back to theories devised by astrologers. Richard Nolle claims that when the moon goes super extreme, the results will be huge storms, earthquakes, volcano eruptions, and other natural disasters. However, none of these claims withstand scientific scrutiny, and fears of the disaster-inducing potential of Super Full Moons are unfounded.
Although the sun and the moon's alignment cause a small increase in tectonic activity, the effects of the Super Full Moon on Earth are minor. Many scientists have conducted studies and haven't found anything significant that can link the Super Full Moon to natural disasters.
According to NASA, the combination of the moon being at its closest and in its "full moon" phase, should not affect the internal energy balance of the Earth since there are lunar tides every day. There is a small difference in tidal forces exerted by the moon's gravitational pull at lunar perigee. However, they are too small to overcome the larger forces within the planet.
Typical Effects of the Moon
The moon is the Earth's only natural satellite and the second brightest object in the sky after the Sun due to its soil's reflective properties. It is in a synchronous rotation with the Earth, spinning at about the same speed and direction as it orbits around the Earth. This means that the same side always faces the Earth, and the half of the moon's surface that is facing outwards is never directly visible from Earth.
The tides on Earth are mostly generated by the intensity of the Moon's gravitational pull from one side of the Earth to the other. The moon's gravity can cause small ebbs and flows in the continents called land tides or solid Earth tides. These are greatest during the full and new moons because the sun and moon are aligned on the same or opposite sides of the Earth.
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