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The Milky Way, our home galaxy, is part of a different supercluster called Laniakea, which, at 500 million light-years wide, ...
With people wishing upon the year’s first shooting stars, the celestial sphere continues to turn serenely. --The Asahi Shimbun, Jan. 4 Vox Populi, Vox Dei is a popular daily column that takes up ...