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Rubin Observatory peers into the ‘hidden universe’ and discovers stream of stars longer than our entire Milky Way

“We are expecting that when Rubin obtains very deep imaging of galaxies, we will see them surrounded by a faint network of stellar streams,” Romanowsky concluded. “The discovery of the stream shows the excellent characteristics of Rubin for making such observations, and points to a rich future of similar discoveries as vast areas of the sky are mapped out.”

The team’s research is available on the paper repository site arXiv.

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