This launch has been up to date so as to add language about how this discovery pertains to the sphere of astrobiology. A group of transatlantic scientists, utilizing reanalyzed information from NASA’s Kepler house telescope, has found an Earth-size exoplanet orbiting in its star’s liveable zone, the world round a star the place a rocky planet may assist liquid water.
Scientists found this planet, known as Kepler-1649c when trying by way of previous observations from Kepler, which the company retired in 2018. Whereas earlier searches with a computer algorithm misidentified it, researchers reviewing Kepler’s information took a second to have a look at the signature and acknowledged it as a planet. Out of all of the exoplanets discovered by Kepler, this distant world – situated 300 gentle-years from Earth – is most much like Earth in dimension and estimated temperature.
This newly revealed world is just 1.06 instances bigger than our personal planet. Additionally, the quantity of starlight it receives from its host star is 75% of the quantity of sunshine Earth receives from our Sun – that means the exoplanet’s temperature could also be much like our planet’s, as nicely. However, in contrast to Earth, it orbits a red dwarf. Although none have been noticed on this system, this sort of star is thought for stellar flare-ups, which will make a planet’s surroundings difficult for any potential life.
Kepler-1649c orbits its small purple dwarf star so carefully that a year on Kepler-1649c is equal to solely 19.5 Earth days. The system has one other rocky planet of about the identical dimension; however it orbits the star at about half the space of Kepler-1649c, much like how Venus orbits our Sun at about half the space that Earth does. Red dwarf stars are among the many most typical within the galaxy, which means planets like this one may very well be extra frequent than we beforehand thought.