The moon is a territory full of curiosities. Throughout the history of human beings, that gray sphere has aroused all kinds of emotions and ideas. From scientific interpretations to beautiful poems. From fantastic speculation about the reason for it being in heaven, to fascinating books like From Earth to the Moon by Julio Verne.
It is the only natural satellite on earth. But on top of that, it is the brightest object that exists in the night sky. Its presence on planet Earth has achieved the effect of raising the tides, due to the gravitational force it exerts on the earth’s surface.
The distance between the Moon and the Earth is 384,400 kilometers. Also, another of its curiosities is that its period of rotation, as well as orbit on the earth, is 27.32 Earth days. And if you talk about the radius of its own equator, it measures an approximate of 1,737 kilometers.
The list of curiosities contained in this luminous star is quite wide. Let’s see some of them:
The severity of this natural satellite is approximately 16.6% of Earth’s size. That means that if you weight 45 kilograms, being on the Moon, your weight would be about 7.5 kilograms. The moon has a size that is 400 times smaller than the sun’s extension.
And interestingly, the Moon is 400 times closer to planet Earth. Thanks to this coincidence derived from the gravity of the stars, the size of the sun and the moon seems to be the same when observed from Earth.
The moon has a diameter of 3,475 kilometers, a size that is much larger than that of Pluto. It disappears from the night sky for some few nights throughout the month.
For a long time, it was thought that the moon was the only star in our solar system. It was not until the year of 1610 that Galileo Galilei discovered the moons of Jupiter, when it was established that there were more. The first person who observed the Moon through a telescope was Thomas Harriot.
But the name of the Moon was already used since the time of the Romans. It is a Latin name that is a contraction of the word “lucina”, which means something like “the luminous one”.
Another of the most interesting curiosities is that the Moon was formed about 4.5 billion years ago. It is a body that was born from the collision of an asteroid with Earth. The impact generated the detachment of a part of the earth’s mass, which was moving away from the earth at first and which is governed by the orbital movement of the planets.
Very dangerous surface
The lunar surface is characterized by being very dusty, and at the same time very abrasive. It is a type of dust that is very sticky, so it can even affect the performance of astronautic equipment.
Moon and madness, another great curiosity
It is often said that the moon has an impact on the physiology of a person, becoming a reason for the development of madness. It is simply a popular belief, which was denied by a group of researchers belonging to the Laval University of Quebec, in Canada.
The Moon is moving away from the earth at a distance of 3.8 centimeters per year. This could be concluded through five reflectors that were installed on the lunar surface. The calculation is derived from the time it takes for a laser pulse to arrive and return to Earth.
The reason for this annual distance is due to the acceleration of its orbit.
People who have stepped on the moon
Finally, to close this cycle of curiosities, it goes without saying that in total there are 12 people who have had the privilege of walking on the moon. The first to do so was precisely Neil Armstrong, in the mission that was carried out in 1969. The last person was Eugene Cernan in 1972.