Astronomers have used archival datasets from the NASA/ESA Hubble Space Telescope to reveal the first evidence for water vapour in the atmosphere of Jupiter’s moon Ganymede, the result of the thermal escape of water vapour from the moon’s icy surface.
The release, images and videos are available on:
https://esahubble.org/news/heic2107/
Kind regards,
ESA/Hubble Information Centre
26 July 2021
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