Henrietta Leavitt and the Astronomical Cow Puzzle - The Wire Science

Leavitt made a startling discovery transformed astronomy – but for which she got little credit in her lifetime.

RS Puppis, a particularly bright Cepheid variable star, imaged by the Hubble space telescope in 2010. Image: ESA, NASA, STScI/AURA

• Henrietta Swan Leavitt was one of the Harvard computers a t… [+6012 chars]
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