The NASA/ESA/CSA James Webb Space Telescope has enabled another long-sought scientific breakthrough, this time for solar system scientists studying the origins of the water that has made life on Earth possible. Using Webb’s NIRSpec (Near-Infrared Spectrograph) instrument, astronomers have confirmed gas – specifically water vapour – around a comet in the main asteroid belt for the first time, proving that water from the primordial solar system can be preserved as ice in that region. However, the successful detection of water comes with a new puzzle: unlike other comets, Comet 238P/Read had no detectable carbon dioxide.
The release, images and videos are available on:
https://esawebb.org/news/weic2313/
Kind regards,
ESA/Hubble/Webb Information Centre
15 May 2023
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