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Continue to ChatWhat the Milky Way looked like billions of years ago https://www.urban-astronomer.com/news-and-updates/what-the-milky-way-looked-like-billions-of-years-ago/
What the Milky Way looked like billions of years ago https://www.urban-astronomer.com/news-and-updates/what-the-milky-way-looked-like-billions-of-years-ago/