The latest vital stage in advancing the James Webb Space Telescope (JWST) has come with the upgrade of a vast Nasa thermal-vacuum chamber that was once used to test Apollo spacecraft.
Chamber A at Johnson Space Center is 16.8 metres wide and 27.4 metres high and is the only "room" big enough to hold the giant successor to Hubble in conditions like those in deep space.
By: Paul Sutherland, Sen.com, Edited by: David Cornish
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via Wired.co.uk
http://www.wired.co.uk/news/archive/2012-09/10/nasas-hubble-replacement-advances
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