NASA’s James Webb Space Telescope was used for the first time to confirm the existence of an exoplanet, scientists say. The planet is a small and rocky world that is almost the same size as Earth, according to the research team.
— was used for the first time to confirm the existence of an exoplanet, scientists announced Wednesday.
“These first observational results from an Earth-size, rocky planet open the door to many future possibilities for studying rocky planet atmospheres with Webb,” Mark Clampin, director of the astrophysics division at NASA headquarters in Washington, D.C.,. “Webb is bringing us closer and closer to a new understanding of Earth-like worlds outside our solar system, and the mission is only just getting started.
This allows researchers to see if certain elements or molecules are present in an exoplanet’s atmosphere. These clues can, for instance, show that a planet likely has a hydrogen-rich atmosphere, one containing carbon dioxide, or an atmosphere dominated by methane.did not reveal distinct atmospheric features
The researchers said it’s possible that LHS 475 b has an atmosphere made up of pure carbon dioxide, but added that this would be difficult to confirm even with the Webb telescope’s sophisticated instruments.
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