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Hubble Uncovers Water Vapor In Small Exoplanet’s Atmosphere

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Astronomers using NASA’s Hubble Space Telescope have observed water vapor in the atmosphere of the smallest exoplanet ever detected. Located 97 light-years away, planet GJ 9827d is approximately twice the size of Earth.

This finding raises the possibility of other planets with water-rich atmospheres in our galaxy. However, it remains uncertain whether the observed water vapor is in a hydrogen-rich atmosphere or if the planet's atmosphere is predominantly water.
Water on a planet this small is a landmark discovery, pushing us closer than ever to characterizing truly Earth-like worlds, and thanks to the Hubble Space Telescope we’ll be able to continue our search for more planets like our own.

For more information, visit https://nasa.gov/hubble.

Credit: NASA's Goddard Space Flight Center
Paul Morris: Lead Producer
Cassandra Morris: Voiceover

Music Credit:
“Biorhythms” by Jia Lee [PRS] via Zone Music Ltd [PRS] and Universal Production Music

Image Credits:
Image of Europa:
Credit: NASA/ESA/W. Sparks (STScI)/USGS Astrogeology Science Center

Exoplanet Animation:
Credit: ESA/Hubble, M. Kornmesser

This video can be freely shared and downloaded at https://svs.gsfc.nasa.gov/14510. While the video in its entirety can be shared without permission, the music and some individual imagery may have been obtained through permission and may not be excised or remixed in other products. Specific details on such imagery may be found here: https://svs.gsfc.nasa.gov/14510. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.

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Category
Tech
Tags
Asteroid, NASA, Webb
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