Astro-boffinry world rocked to its very core: Shock as Andromeda found to be not much bigger than Milky Way

Astro-boffinry world rocked to its very core: Shock as Andromeda found to be not much bigger than Milky Way  The Register Andromeda galaxy not bigger than Milky Way after all  USA TODAY Andromeda Galaxy Brought Down To Size for Head-to-Head Collision With Milky Way  Newsweek [1801.03949] The Need for Speed: Escape velocity and dynamical mass measurements of the Andromeda galaxy - arXiv  arXivFull coverage

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