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Published on Jul 30, 2010
Discover key moments from history and stories about fascinating people on the Official BBC Documentary channel: http://bit.ly/BBCDocs_YouTube_Channel Part two of six. This clip begins with the astronauts on board preparing for the shuttle's descent to earth and ends with the haunting scenes at NASA's Mission Control at the moment disaster struck. Moving footage from the BBC Horizon programme The Last Flight of the Columbia. Watch more high quality videos on the new BBC Worldwide YouTube channel here: http://www.youtube.com/bbcworldwide