Exoplanet water seen in new light

Technique increases number of distant planets with atmospheres that astronomers can study

 

SUN-SCORCHED WORLD  Tau Boötis b orbits close to its sun, as seen in this artist’s illustration. The planet glows brightly with infrared light, which astronomers used to detect water in the planet’s atmosphere. 

 

L. Calçada/ESO

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