Technology advances help us discover more about the solar system and the Milky Way. The more in the universe, the more we want to know if there is a similar life like the earth exist out there? Our people are always curious about the existence of ourselves and the world around. When we know more about the universe we live in, we feel there is a need to urge to search for answers to the question, do we havele in this universe? Many projects? Already existing in the past decades to seek smart life in the universe but we haven't contacted anything or someone. The 20th century gave a well-known paradox to today's survival. Accordingly, this paradox is a clear contraderse between high estimates of the possibility of existence of non-earth civilizations with a shortage of evidence or related to those civilizations
. Only Our galaxy has 100 - 400 billion stars and many stars are likely to have spinning planets. Astronomers said that billions of planets are in the area that can live around its stars in the Milky Way. That, ie they have the necessary conditions for survival life
Organizations such as NASA, the European Space Agency and the organization seeking smart life in addition to the Earth has conducted many projects to find Earn stars with signs of life. Giant radio antennas and telescopes have been used to send and listen to radio signals that can be transmitted. Other methods are also used. However, there are many problems using the radio frequency to determine whether the intelligent life exists in the Earth or not. This problem includes not enough technology to understand the transmitted signals Other intelligent forms, simply because they are not directly transmitted to us or are too far away, and that means that signs have not yet accessed us. Radio Number for more than 1 century, and we still haven't received signals from any intelligent life located farther than 100 years of light from the earth. Great filter (roughly translated as screening): fake This theory refers to an event that prevents a civilization from reaching the level of technological advances necessary to travel or communicate in contact. Accordingly, every creature, no matter how developing it, it will fail and cannot become a spacecraft civilization. The kind of zoo said this theory said, Some forms of non-earth live can already know our existence but avoid communication to remotely research without affecting our society's development. This is the same as the zoo staff observing animals, or the observations of experimental science to undermine the research object
Gian Bottleneck: This hypothesis thinks life exists somewhere In addition to the universe but have never had the opportunity to develop and evolve like Earth. The planetary environment is unstable and changed, causing life to disappear before they have the opportunity to evolve into any form of intelligent life. Deep sea: Scientists have discovered the oceans below The tape is thick on a few moons of Saturn and Jupiter. Life, theory, can survive in these oceans but even if evolving to become smarter, they will face tremendous obstacles to reach the planet's surface, not Say to signal to us. Another hypothesis is given because the age of the solar system and the earth is quite young, so the planets have been sent somewhere in our galaxy and we missed This encounter. Scientists also do not eliminate the hypothesis that aliens are on earth and live with us. Evan Solomonides Astronomical Physics researcher at Cornell University argues that to find the possibility of survival outside the earth, we need to be patient. This scientist said, we have almost no discovered our planet's neighbors but not to mention our galaxy. So, if you hope to hear something from the universe, we need to wait about 1,500 years ./. Kieu Anh / VOV.vn by: STARS INSIDER . Dịch vụ:
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