Odd Light Signature from Early Galaxy
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Read the news release: https://webbtelescope.org/contents/news-releases/2024/news-2024-133
Produced by the Space Telescope Science Institute’s Office of Public Outreach in collaboration with NASA’s Universe of Learning partners: Caltech/IPAC, Center for Astrophysics | Harvard & Smithsonian, and NASA Jet Propulsion Laboratory.
Video imagery:
- Webb Space Telescope image of galaxy GS-NDG-9422: NASA, ESA, CSA, STScI, Alex Cameron (Oxford)
- Webb Space Telescope spectrum of galaxy GS-NDG-9422, with model: NASA, ESA, CSA, Leah Hustak (STScI)
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Images of numerous stars, galaxies, planets and other celestial bodies flash past.
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Text: News from the Universe.
Text: October 7, 2024. GS-NDG-9422. Odd light signature from early galaxy. Far away in time and space, only 1 billion years after the big bang, astronomers have found a galaxy emitting a light signature never seen before.
NASA's James Webb Space Telescope shows the odd slope feature int he spectrum of galaxy GS-NDG-9422. A graph measures observed wavelength in microns versus brightness. A second graph appears.
Text: Researches compared this with an experimental computer model of a galaxy with nebula gas shining brighter than stars, and it was a near perfect match.
This may be the first example of a phase of galaxy evolution in the early universe, a transition from producing very hot, massive primordial stars to the galaxies we see today.
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This news was brought to you in part by the Space Telescope Science Institute in Baltimore, Maryland.