The Moon is one of Earth Satellites, which corresponds to a natural satellite; this class of satellites is defined as any celestial body that orbits a planet, almost always of a smaller dimension and accompanies the planet in its movement. This movement is carried out by the planets, around the star they orbit, as the Earth does with the Sun. To learn more about the formation of different celestial bodies, you can research astronomy related to its characteristics.
Unlike natural satellite, An artificial object is an object that revolves around the Earth, the Moon, and some planets. This object has been manufactured by humans for various purposes. An object is considered a satellite when the center of mass of the system formed by two bodies is within the primary object.
The Moon has a mass of approximately 1/81, taking the mass of the Earth as a reference, so the Moon and the Earth could be considered as a binary system of planets, that is, two planets that orbit together. Because if two objects have similar masses, they are no longer considered a primary object and a satellite and are defined as a binary system. To learn more about these systems, you can read about the characteristics of the planets.
4 Differences Between Natural And Artificial Earth Satellites
Difference 1: The Moon, Earth's Natural Satellite
The Sun it is the brightest object that we can observe from planet Earth, our only known natural satellite. The Moon, one of the Earth's Satellites, seconds the Sun since we can appreciate its brightness from Earth.
It is said that the formation of the Moon allegedly originated when an object the size of the planet Mars collided with Earth in the early years of its formation. The material ejected into outer space either clump together or didn't fall on Earth's young surface, giving rise to our Moon. This highlights the importance of studying celestial bodies and their origins in the context of formation of the planets.
The Moon is the fifth largest satellite in the solar system. Although in this natural satellite there is no atmosphere, studies carried out on it have detected small traces of gases such as hydrogen, helium, argon, and neon on the surface; which may indicate that there are signs of geological activity inside. To better understand the lunar environment, you can explore the astronomy related to its characteristics.
You can also read... THE LUNATION AND THE 4 FUNDAMENTAL STAGES OF THE LUNAR CYCLE
Difference 2: Artificial Earth Satellites
In recent years, human ingenuity and the technological and scientific advances that the planet has had have made the Moon not the only satellite that orbits our planet Earth, there is an enormous amount of artificial satellites and can be distinguished from natural ones. These satellites reflect the advances in space technology and energy.
The elements that are launched and put into orbit are used for various functions. The Earth's Satellites allow us to know the exact point where it is, GPS systems, satellite television, to be able to measure the weather conditions, collect scientific data, are also used in espionage and military applications.
Difference 3: Satellites Orbiting the Earth
All Earth satellites that are thrown They must be registered with the Space Surveillance Network (SSN), which is a North American institution that has been in charge of recording the number of satellites orbiting the Earth since 1957. It is evident that this only occurs with artificial satellites, since unlike these, there is no specific record or number of natural satellites. To better understand this network, you can research the tropical climate and its influence on space.
The Space Surveillance Network records any man-made object, whose dimension is more than four inches in size and is orbiting the Earth. Since the SSN began the satellite registry, it has a figure of more than twenty-four thousand five hundred orbiting artifacts. To learn more about the aspects of the planets, I invite you to visit the page about the characteristics of the planets of the solar system.
Many of these entered an unstable orbit and ended up disintegrating and fragmenting upon re-entering our atmosphere. According to data from the NASA Currently there are about XNUMX artificial satellites in operation.
Earth Satellites: Registration And Control
It is of great importance to be able to keep track of the number and names of the artificial satellites that orbit our planet. As well as, it is extremely important to keep these satellites monitored, in this way their orbits and trajectories can be known to detect possible impacts between them or against the planet.
In 1957, the Soviet Union launched the first artificial satellite of the Earth, the Sputnik 1, the first of many more Earth satellites. The device remained in orbit until it disintegrated on January 8, 1958, after re-entering Earth's atmosphere. The first satellite obtained information regarding the amount of ions present in the ionosphere. You can find more information on this topic on the page about main energy sources used in space.
After the Soviet Union launched the first artificial Earth satellite, the United States of America had to accelerate their work on technological advances so as not to fall behind, they focused on the development and evolution of new technologies.This places the space race in an important historical context in which it must be considered. the contributions of Galileo Galilei.
Many advances have been made over the years. Currently the space technology has advanced exponentially. Now there are many satellites that are put into orbit for scientific, commercial and military purposes. The payment for orbiting a satellite has gone down in recent years.
The fact that the cost of producing a space artifact with the characteristics of a satellite has decreased from billions to a few million has generated that more countries, and even private companies, have access to the development and production of Earth Satellites.
You can also read... basic astronomy that brings you closer to these topics.
Difference 4: Owners of Earth's Satellites
A clear difference between the two satellite classes is that the natural ones do not have owners, while the artificial ones do. However, it is difficult to know to which countries they belong and how many of these satellites there are in space, since the satellites that are registered and accounted for by each nation are scientific, meteorological or communications.
Notwithstanding the satellites of espionage And military satellites are not registered or counted, because many countries do not want to reveal how many satellites of this type they have in space, although some figures are given that are taken as official. Even so, we can investigate the planet venus and its comparison with other celestial bodies.
The country with the most satellites is Russia with 1.420 space objects posts in orbit, followed by the United States with 1.049, Japan with 107, China with 98, France with 42, India with 40, the United Kingdom with 26, Germany with 25 and Canada with 24.
Another series of countries such as Australia, Brazil, Italy, Indonesia, Sweden, South Korea, Saudi Arabia, Argentina, Spain, Mexico, Chile, Venezuela and Colombia have less than 10.
More about Earth's Satellites
The International Space Station (ISS) is the largest of the Earth's satellites that orbits artificially. And we have that the satellite with more years in operation is the Vanguard 1, which was launched into space on March 17, 1958. This latest satellite is also a pioneer in using solar energy. You can read more about Europa, another important satellite of the solar system.
There are the so-called nano, micro or picosatellites, which are very small satellites, measure from about 10 centimeters and weigh up to 200 grams. In the development of this type of new technology, it is proposed that satellites do more and more things.
They are currently working on projects that lead to increasing the useful life of each satellite sent into space through space workshops where they can be repaired and upgraded while in orbit.
There is a consortium made up of 4 companies from Russia, the USA, Norway and Ukraine called Sea Launch Co. LLC, which offers to put the ingenious Satellites Of The Earth into orbit for commercial purposes and its sale is to anyone who can pay for it.
You can also read... 3 Important Components of the Earth's Atmosphere Endorsed by NASA.
