There are a large number of planets in our Galaxy that could potentially be habitable. It is worth talking in more detail about several celestial bodies that are suitable for the habitation of alien organisms.
Scientists have been arguing for many decades about the possibility of life on other planets. Experts note that the theory of extraterrestrial civilizations has a right to exist, since science has managed to explore only 0, 000001 percent of the entire space. In addition, the real size of the Universe is still not determined, which is why the previously indicated figure can be safely multiplied by several thousand. Despite the fact that many scientists are critical of UFO claims, it is believed that approximately 0.020 percent of all planets in the universe are inhabited by living things. As to whether there are intelligent humanoids among them, controversy continues since the time of the first astronomers.
Searches for extraterrestrial life inside have been going on for a long time, but have not yet been crowned with success. The greatest potential for habitation is precisely exoplanets, which have resources similar to those on Earth. Scientists note that over the past 20 years, more than 30 planets of this type have been discovered. All of them are located at a distance of at least 50 light years from our planet, which makes it impossible for any attempt to reach them at the current level of development of science. By galactic standards, the planets of the habitable zone are located extremely close to us, and in the future space expeditions will surely go to them, but so far such statements are considered to be fantastic. It is worthwhile to tell in more detail about exoplanets on which organic life can be.
Gliese 581g
This planet is located in the system of the yellow dwarf of the same name, located at an approximate distance of about 25 light years from Earth in the constellation Libra. According to scientists from NASA, the celestial body is currently considered the most suitable for the presence of life on it. During the research, it was possible to determine that the planet has its own ecosystem, but due to the large distance, it is almost impossible to determine its nature. The planet was discovered by scientists from the University of California at Santa Cruz and from the Karanegi Institute in Washington. Its research was carried out using the unique Keck 1 telescope, which was developed in 2001. It was then that the above-described planet was discovered. Australian astronomer Ragenbier Bhatal, working in the SENTI project, discovered sharp flares in the region of the planet, resembling the action of a laser. According to him,this fact may indicate that there is intelligent life on the celestial body, which originated much earlier than the earthly one. This assumption also confirms the age of the planet, which is about 120 million years older than Earth. On this basis, he claims that the planet can be inhabited, now this version is being tested.
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Gliese 667Cc
This planet was discovered by the Planetary Life Laboratory at the University of Puerto Rico at Arecibo. Scientists have found that the temperature regime of a celestial body is fully consistent with that of the earth, since it is located at a similar distance from the star. In addition, the planet has its own atmosphere, which includes nitrogen and carbon dioxide. The planet receives about 90% of the energy that the Earth receives from the Sun and the greenhouse effect, which also confirms the assumption of its habitability. The dense atmosphere indicates that it has its own ecosystem inside. Unfortunately, so far it has not been possible to study the exoplanet in more detail.
Kepler-22 b
This planet is the first celestial body discovered by the Kepler telescope. Kepler-22 b orbits in the habitable zone of a sun-like star. Due to the location of the celestial body, it receives a relatively small level of radiation, which confirms the fact that it can be habitable. Astronomers have not yet made definitive conclusions about the composition of the planet. According to one of the assumptions, it may have a vast core of gas frozen on the surface. It is known that its diameter is 2.4 times the diameter of the Earth, and its orbit does not pass too close to a nearby star. In addition, this celestial body is the smallest exoplanet known. The researchers believe Kepler-22b could experience mild temperatures with an annual average of 22 degrees Celsius, with a greenhouse effect similar to Earth's. The Kepler Telescope, which was launched to search for Earth-like planets, has discovered more than 150 exoplanet candidates around other stars, including 35 in habitable zones. According to experts, by the beginning of the next century, one of them could be used for the first ever mission in the form of an unmanned vehicle. Scientists noted that the device will reach the planet closest to Earth for at least 50 years.
HD 85512 b
This planet was discovered using the HARPS apparatus. According to experts, the exoplanet is located about 135 light years from our planet. Despite this, it is considered one of the most obvious contenders for the title of inhabited. In addition, thanks to the HARPS apparatus, it was possible to record strange activity on its surface, which was caused by periodic luminescence. Many ufologists who learned about this immediately began to assume that there is life on the planet, since such cosmic phenomena occur extremely rarely. The planet orbits the star in 52.43 days, and its mass is about 3.9 times the mass of the Earth. According to scientists, it will be she who will be the first where a mission to search for inhabited celestial bodies can go. But the most interesting thing is that this planet is almost in the habitable zone,that is, at such a distance from the star, at which it receives a certain amount of stellar energy for the existence of water on it in a liquid state. So far, experts do not dare to say for sure whether there is vegetation on a celestial body, but the exoplanet has all the clear signs of this.
Makhov Artem