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Walkabout the Galaxy


Nov 8, 2023

The Lucy spacecraft had its first asteroid encounter, revealing Dinkinesh to be a binary asteroid.  In cosmology, a new simulation with a terrible acronym leaves the "S8 Tension" intact. Models of the expansion of the universe starting with our observations of the cosmic microwave background are in disagreement (tension) with observations of the actual distribution of superclusters of galaxies. Are there errors that haven't been uncovered, or perhaps new physics? Join us for our thoughts on these and other news in space, and some literally mind-blowing trivia.