NASA’s Webb telescope discovers for the first time an exoplanet the size of Earth | Big View

NASA’s Webb Space Telescope has observed for the first time an exoplanet (outside the solar system), coded LHS 475 b, which is similar in size to Earth and regarding 99% of Earth’s diameter.

NASA's Webb telescope discovers first exoplanet

NASA’s Webb telescope discovers first exoplanet

A team of researchers led by Stevenson and Lustig-Yeger of the Johns Hopkins University Applied Physics Laboratory chose to observe with the Webb Space Telescope following discovering the possible existence of this planet. The Webb Near Infrared Spectrometer easily and clearly captured the planet in just two transit observations.

Lustig-Yeger said: “The existence of this planet is beyond doubt, and Webb’s original data can confirm it.”

NASA's Webb telescope discovers first exoplanet

NASA’s Webb telescope discovers first exoplanet

“The first observation of a rocky planet the size of Earth opens the door to many possibilities for the Webb telescope to study the atmospheres of rocky planets in the future,” said Krampin, director of the astrophysics division at NASA Headquarters in Washington. We are on the verge of a new understanding of Earth-like worlds outside our solar system, and the mission is just beginning.”

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