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imagesMy weekly contribution to David Abrams’ “Sunday Sentence” project in which participants share the best sentence read during the past week “out of context and without commentary.”

Astronomers must also guard against selection effects, giving too much weight in their calculations to the stars, galaxies, and clusters that are easiest to see. 

SOURCE:George Johnson‘s Great Discoveries biography Miss Leavitt’s Stars: The Untold Story of the Woman Who Discovered How to Measure the Universe

 

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