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The first exoplanet, or planet outside our solar system, was discovered in 1992, and since then astronomers have found more than 9,400 such alien worlds, including some that are similar to Earth and may even support life. The search for habitable exoplanets is one of the most exciting and intensive areas of research in astronomy and astrobiology today, and based on observations so far, it seems that the main conditions for habitable exoplanets are as follows: The planet must be at the right distance from its star for water to be liquid on its surface. The planet must have the right amount of gravity. The planet must have an atmosphere that contains the right amount of oxygen, carbon dioxide, and other gases. The star near the planet must not be very unstable, such as one with frequent supernova explosions or very strong solar flares. The planet's atmosphere must also be protected from the star's harmful radiation. There are billions of stars and planets in the universe, and even in our catalog of planets, which does not reach ten thousand, there are some where some form of life could have developed. 4 Planets Found That Are Habitable and Better than Earth Music: Mysterious Ambient Background Music - The Rake Peaceful Ambient Background Music - This Fascinating world 0:00 Habitable Exoplanets 1:19 TRAPPIST-1 2:55 Proxima Centauri b 4:27 Kepler-22b 5:27 Kepler-452b #universe #universe #sokoldazagyad