Did This Scorching-Hot Planet Lose—and Regain—an Atmosphere?

Laura Kreidberg, who directs research on exoplanet atmospheres at the Max Planck Institute, would like to see an independent analysis of the data before jumping to conclusions. “There are a lot of little decisions in the data processing that can produce unexpected bumps and wiggles,” says Kreidberg. “I’d like to see the spectrum reproduced by another team using independent methods to see if they get the same thing.”

In fact, that process is already underway. Last week, another research team led by Lorenzo Mugnai, an astrophysicist at the Sapienza University of Rome, released a separate paper that independently analyzes the same Hubble data on GJ 1132 b. But when Mugnai’s team crunched the data, they found that the planet’s…



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