A third of the most common planets in the Milky Way may have life - scientists

30 May 2023, 14:14 | Technologies
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Scientists from the University of Florida have announced that hundreds of millions of exoplanets located in our Milky Way galaxy could be habitable.. Such planets orbit near a red dwarf - stars smaller and colder than the Sun.. Such stars are believed to make up 75% of our galaxy's 200 million stars, according to Forbes..

During the study, scientists studied data on 150 planets collected by the Kepler telescope from 2009 to 2018.. In addition, data were used from the Gaia telescope, which measures the distance to billions of stars in galaxies..

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Although red dwarfs are common in the Milky Way, the environment around them is very different from that which exists around the Sun.. Since they emit less light and heat, the habitable zone, where water can exist in liquid form, is much closer to the sun..

But if the planet is too close to the star, it can be burned out by a flash or heated by friction caused by tidal interaction.. And it can ruin a life. Often this happens near stars, around which only one planet revolves..



This excludes about two-thirds of the planets that orbit red dwarfs.. But there is still a third, which becomes the target for searches for potential traces of life..

Many of these candidates exist in multi-planet systems.. In addition, they tend to rotate in circular orbits when the distance to the star remains the same..

Previously, scientists have discovered an unusual planetary system that consists of a Jupiter-like planet orbiting a tiny star only four times its own size.. This "




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