These Are The 5 Most Potential New Worlds ( Updated Ranking)
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Where do we stand with the search for extrasolar planets suitable for harboring life?
So much so that we have already found a way to draw up rankings based on factors capable of indicating their habitability, or at least their similarity with the Earth.
What we propose is the most updated!
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While we have barely scratched the surface, we are at a pivotal time in our search for life elsewhere in the Universe. This is largely due to the way modern telescopes have allowed us to discover thousands of extrasolar planets (or just exoplanets).
As the number of confirmed exoplanets has grown, the focus has been slowly shifting from discovery to characterization. In other words, we've found many distant worlds, now we're attempting to determine which of them might be able to actually support life.
To date, astronomers have confirmed the existence of 4,422 planets beyond our Solar System. Of these, the vast majority have been a combination of Neptune-like gas giants (1,496), Jupiter-like gas giants (1,400), Super-Earths (1,356). Only 165 have been rocky planets that are similar in size to Earth (or "Earth-like")
5 fifth place, with an Earth Similarity Index of 0.91: Luyten b!
Luyten b is a rocky exoplanet orbiting within the habitable zone of the nearby red dwarf Luyten's Star, in the constellation Canis Minor (just to the right of the bright star Procyon). With a visual magnitude of 9.9, it's too faint to be viewed with the unaided eye.
4 fourth place, with an Earth Similarity Index of 0.94: Gliese 581 g!
Gliese 581g, discovered in 2010, is an extrasolar planet that orbit the star Gliese 581, approximately 20.4 light years from Earth in the constellation Libra. It is notable as it is thought to be in the middle of the habitable zone of its star.
3 third place, with an Earth Similarity Index of 0.95: TRAPPIST-1e !
TRAPPIST-1e is an almost Earth-sized terrestrial extrasolar planet orbiting around the ultra-cold dwarf star TRAPPIST-1, located approximately 39 light-years away from Earth in the constellation Aquarius.
2 second place, with an Earth Similarity Index of 0.95: Teegarden b !
Teegarden b is an exoplanet found orbiting within the habitable zone of Teegarden's Star, an M-type red dwarf in the constellation Aries, about 12 light-years from the Solar System.
Teegarden's Star b, discovered In July 2019, is the innermost known planet orbiting Teegarden's Star, with an orbital period of just 4.9 days at an average distance of 0.025 AU.
1 first place, with an Earth Similarity Index of 0.98: KOI-4878.01 !
Discovered in 2015, KOI-4878.01 is an extrasolar planet that orbits the F-type main-sequence star KOI-4878.
It is located about 1075 light years from Earth in the constellation Draco.
The Webb telescope also will capture starlight shining through the atmospheres of exoplanets, which provides a kind of profile of the gases present.
This new era of characterizing exoplanets will continue with the launch of the Nancy Grace Roman Telescope in the mid-2020s.
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