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NASA Webb Telescope
@nasawebb

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#ICYMI: Webb discovered carbon dioxide & methane in the atmosphere of planet K2-18 b. Based on the Webb data, the planet’s chemical make-up hints at the theory that this planet may have a water ocean underneath a hydrogen-rich atmosphere. However, more evidence is needed before scientists can determine if the planet could support life. Credits: Reel producer: BriAna Alvarado, NASA GSFC Opening illustration of K2-18 b & graph: NASA, ESA, CSA, R. Crawford (STScI), Joseph Olmsted (STScI), science by Nikku Madhusudhan (IoA) Other general exoplanet animations: @nasagoddard Music: “Life in Their Hands,” Paul Richard O’ Brien, Nova Production Music Video Description: 00:00-00:05 Illustration of K2-18 b seen as a large blue planet, with the tiny gray crescent of a different planet in the distance. Text on screen: “Recently, Webb discovered carbon dioxide and methane in the atmosphere of exoplanet K2-18 b.” 00:05-00:12 Animation of a generic blue planet against the blackness of space, with starlight streaming in from the left. Text: “Situated 120 light-years away from Earth, K2-18 b is in the distant constellation Leo.” 00:12-00:24 Animated zoom-in on a generic blue planet seemingly covered in ice patches. Text: “Webb observations hint at the potential for this exoplanet to have a hydrogen-rich atmosphere and an ocean surface.” 00:24-00:36 Video slowly pans over a graph showing the atmospheric composition of K2-18 b based on Webb data. There are highlighted signatures of carbon dioxide and methane. Text: “Despite its carbon-bearing molecules and orbit within the habitable zone, it is unknown whether K2-18 b can support life.” 00:36-00:45 Animation of a generic brown exoplanet flying into view, set against a dark, starry background. Text: “The planet may have a hostile environment due to its active star. Its ocean may also be too hot to be in a liquid state.” 00:45-00:58 Animation of a generic cloudy blue planet. To its left are small spheres representing its distant red glowing star and another planet in the system. Text: “The research team plans to use Webb to look for additional evidence of biological activity.” #JWST #Exoplanet #NASA #Space