's James Webb Space Telescope (JWST) spotted galaxies similar to our Milky Way that formed when the universe was only 25 percent of its current age, with one dating back 11 billion years.These massive collections of gas, dust and stars are also the first to feature stellar bars - elongated features of stars stretching from the centers of galaxies into their outer disks - shortly after the big bang occurred 13.7 billion years ago.Stellar bars are present in our galaxy, but this is the first time scientists have seen them in the early universe - a discovery that 'will require astrophysicists to refine their theories of galaxy evolution.'
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