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![]() Date: 2014-01-05 17:00:18Star types Astronomy Outer space Asymptotic giant branch Astrophysical maser Red supergiant Planetary nebula Red giant Cosmic distance ladder Stellar evolution Supergiant Protoplanetary nebula | Source URL: www.astro.keele.ac.ukDownload Document from Source WebsiteFile Size: 177,19 KBShare Document on Facebook |