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![]() Date: 2010-01-15 01:59:37Standard candles Space Cepheid variables Classical Cepheid variable Stellar pulsations Cosmic distance ladder Henrietta Swan Leavitt Star Instability strip Astronomy Astrometry Variable stars | Source URL: astronomy.swin.edu.auDownload Document from Source WebsiteFile Size: 1,11 MBShare Document on Facebook |