Discovery of the period-luminosity law

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Describe in 1-2 sentences how the discovery of the period-luminosity law by Henrietta Leavitt makes it possible to calculate distances.

Reference no: EM131075584

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Discovery of the period-luminosity law : Describe in 1-2 sentences how the discovery of the period-luminosity law by Henrietta Leavitt makes it possible to calculate distances.
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