Astronomers announce potentially habitable 'super-Earth' discovered just 31 light-years away - NBCNewsMACH
“This is definitely going to be one of the best targets for these telescopes because it’s so close and so bright,” Kaltenegger said. “This means we can collect that light and analyze it further to see the chemical composition of the atmosphere, or if we see signs of liquid water or oxygen. The closer the better and the brighter the better, and this one happens to be both.”
Elisabeth Adams, an associate research scientist at the Planetary Science Institute in Somerville, Massachusetts, called the discovery of GJ 357 d “really exciting” — especially because the alien world is relatively close by in astronomical terms. “This is going to be one of the best ones to go look at with the James Webb Space Telescope,” Adams said. “It’s a really good candidate to get atmospheric measurements, and that would tell us the composition or if there’s oxygen, and from there, that would tell us how habitable it is.”
Since GJ 357 d is so much more massive than Earth, Adams said any life that exists there would likely be very different from life on our planet. The planet’s mass suggests it could support a giant ocean, she added, “so it could have aquatic life.” Kaltenegger said she and her colleagues plan to study the exoplanet more closely in the coming months, and will conduct additional observations of GJ 357 to look for other planets in the star system.
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Astronomers found a planet where life might thrive, and it’s just 31 light-years awayAstronomers using NASA's Transiting Exoplanet Survey Satellite have found a super-Earth planet capable of harboring life. It’s 31 light-years away.
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