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![]() Date: 2009-02-23 09:46:56Supernovae Supernova remnants Light sources Stellar evolution Standard candles International X-ray Observatory Supernova SN Type Ia supernova Astronomy Space Astrophysics | Source URL: ixo.gsfc.nasa.govDownload Document from Source WebsiteFile Size: 2,54 MBShare Document on Facebook |