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Date: 2004-03-26 12:10:47 Astrometry Harvard Computers Standard candles NGC objects Henrietta Swan Leavitt Variable stars Cecilia Payne-Gaposchkin Harlow Shapley Cosmic distance ladder Astronomy Science Space		1. Thank you for inviting me. Add to Reading List Source URL: physics.weber.edu Download Document from Source Website File Size: 110,54 KB Share Document on Facebook

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