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S53:E11 The Great Observatories
First Aired: October 05, 2009
Following the Hubble space telescope's overhaul, Sir Patrick Moore and Chris Lintott examine its latest findings and the data from NASA's other telescopes, Spitzer and Chandra. Pete Lawrence observes the spiral galaxies M31 and M33 and explains how they owe their enigmatic names to an 18th-century French comet hunter.
