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CNN —Astronomers have spied an intriguing phenomenon in the distant universe — a galaxy that closely resembles the Milky Way — and it’s challenging key theories on how galaxies evolve. Like our home galaxy, the newly discovered ceers-2112 is a barred spiral galaxy, and it’s now the most distant of its kind ever observed. While massive spiral galaxies are common in the Milky Way’s cosmic neighborhood, that hasn’t always been the case. The bars take shape when stars within spiral galaxies rotate in an orderly fashion, as they do in the Milky Way. “The discovery of ceers-2112 paves the way for more bars to be discovered in the young universe,” de la Vega said.
Persons: James Webb, it’s, Webb, , , Luca Costantin, hasn’t, Alexander de la Vega, didn’t, la Vega Organizations: CNN —, James Webb Space, Spanish National Research Council, Centro, Astrobiología, University of California, James Webb Space Telescope Locations: Madrid, Riverside, ceers
AdvertisementAdvertisementThe James Webb Space Telescope (JWST) has spotted the most distant example of a galaxy in the universe that looks similar to the Milky Way. The galaxy, named ceers-2112, is more than 11.7 billion years old and is the earliest example of a barred spiral galaxy ever seen. For them, there is little doubt: this picture suggests this is a barred spiral galaxy. Scientists had thought you couldn't find a barred spiral galaxy before the universe was about 6.9 billion years old. The other 95% — about 27% of dark matter and 68% of dark energy — remain huge mysteries in physics.
Persons: James Webb, , JWST, Guo, Alexander de la Vega, Yetli Rosas Guevara, El País, la Vega, Luca Costantin, Space.com, Costantin, Jairo Abreu, Abreu Organizations: Service, James Webb Space, University of California, Spanish Donostia, Physics Center, Centro, Astrobiología, University of La Locations: Riverside, Madrid, University of La Laguna
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