Daily Archives: April 1, 2023

TRAPPIST-1 b Measured by Webb: Hot, Airless 0 (0)

The TRAPPIST-1 planetary system is news again, this time because we’ve taken the innermost planet’s temperature. That, by itself, isn’t newsworthy. We’ve been using infrared observations to learn how hot exoplanets are at least since 2006.1 What makes the latest … Continue reading

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