Animation of Exoplanet K2-18b (Artist’s Impression)
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Description
This artist’s impression shows the planet K2-18b, it’s host star and an accompanying planet in this system. K2-18b is now the only super-Earth exoplanet known to host both water and temperatures that could support life.
UCL researchers used archive data from 2016 and 2017 captured by the NASA/ESA Hubble Space Telescope and developed open-source algorithms to analyse the starlight filtered through K2-18b’s atmosphere. The results revealed the molecular signature of water vapour, also indicating the presence of hydrogen and helium in the planet’s atmosphere.
More information and download options: http://www.spacetelescope.org/videos/heic1916c/
Credit:
ESA/Hubble, M. Kornmesser
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