Gorgeous time-lapse, from inside @NASAGoddard's cleanroom, of #JWST's golden mirror being raised to the vertical:https://youtu.be/PhGfgREoBj4
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Replying to @NASAWebb
@NASAWebbTelescp@NASAGoddard@YouTube This is much bigger than I foolishly thought... Amazing, but what rocket will be used to send it up?1 reply 0 retweets 0 likes
Replying to @HerveAupy
@HerveAupy @NASAGoddard @YouTube The mirror is 6.5 m/21 feet in diameter; the sunshield will be big as a tennis court! An Ariane 5 rocket.
8:10 AM - 9 May 2016
0 replies
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