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An illustration of the 3 planets around a star known as GJ 357. Photo: NASA

NASA announced Wednesday that its Transiting Exoplanet Survey Satellite (TESS) has uncovered a potentially habitable planet just 31 light-years away from our solar system.

Why it matters: TESS member and associate professor of astronomy Lisa Kaltenegger, who led the international team and who is also director of Cornell's Carl Sagan Institute, said in a statement the discovery of the exoplanet, named GJ 357 d, "is humanity's first nearby super-Earth that could harbor life."

The big picture: Astronomers from the Institute of Astrophysics of the Canary Islands and the University of La Laguna, Spain, published the findings on the GJ 357 system in the journal Astronomy & Astrophysics, and they were presented at an exoplanet conference in Cambridge, Massachusetts, on Wednesday.

  • The astronomers detected via TESS another planet orbiting the same star, named GJ 357, and deeper research by Spanish astronomers led to the discovery of 2 more planets in the system — including the super-Earth, GJ 357 d, which takes almost 56 days to orbit its host star at a distance roughly one-fifth of that between Earth and the sun.
  • The other 2 known planets in the star system, GJ 357 b and GJ 357 c, are believed to be far too hot to be habitable, according to Kaltenegger.

What's next? Kaltenegger said a pair of next-generation telescopes in Chile should reveal more details once operating in 2025 about the super-Earth, including whether it is rocky or has oceans, per NBC News.

A tweet previously embedded here has been deleted or was tweeted from an account that has been suspended or deleted.

Go deeper: What scientists look for to tell if an exoplanet is habitable

Go deeper

9 mins ago - World

German election: Exit polls show close race to succeed Angela Merkel

SPD leader Olaf Scholz. Photo: Alex Kraus/Bloomberg via Getty Images

BERLIN — The first exit poll from Sunday's German elections shows the center-left Social Democrats (SPD) and the center-right Christian Democrats (CDU) in a dead heat at 25%, leaving the race to succeed Angela Merkel in the balance.

The state of play: A second exit poll showed the SPD narrowly ahead, and that's the one they displayed at SPD campaign headquarters, causing the room to erupt in cheers. Official results will roll in throughout the evening.

Abbott says he'll hire Border Patrol agents who whipped at migrants

Texas Gov. Greg Abbott (R) on Sunday defended the actions of U.S. Border Patrol agents who charged at Haitian migrants on horseback, blaming the Biden administration for not preventing them from crossing the border.

Why it matters: Abbott's remark on "Fox News Sunday" comes amid increased backlash over the incident, with President Biden saying, "I promise... those people will pay,” and the Department of Homeland Security launching an investigation.

Everyone wants to be an influencer

Illustration: Aïda Amer/Axios

The number of people looking to become online influencers has exploded during the pandemic.

Why it matters: Almost anyone can find themselves in a position to become an influencer, and brands are throwing billions of dollars at online content creators.