A strange pair of galaxies several billion light-years away could be evidence of a hypothetical “crease” in the Universe's fabric known as a cosmic string. Science Alert has more, including how the two galaxies may not be distinct objects, but one could be a duplicate image caused by a trick of the light.
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Flipboard Science Desk (sciencedesk@flipboard.social)'s status on Friday, 29-Sep-2023 08:46:46 JST Flipboard Science Desk