“It is the closest thing we have to another place that somebody else might call home,” Jon Jenkins of NASA’s Ames Research Center said Thursday at a press conference announcing the planet and a trove of 500 additional potential planets.
Called Kepler 452b, the planet orbits a 6 billion-year-old sunlike star about 1,400 light-years away. Kepler 452b is about 60 percent larger than Earth, and perhaps five times as massive. With a year lasting 385 days, it sits in the region around its star where temperatures are just right for maintaining liquid water on a world’s surface.
It is the closest thing we have to another place that somebody else might call home.
Jon Jenkins | Scientist
It’s not clear yet exactly what Kepler 452b is made of, but scientists think there’s at least a 50 percent chance it's rocky. If so, “we’d also expect the atmosphere to be thicker and have more cloud cover, and this planet would likely still have very active volcanoes,” Jenkins says.
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