Like this cold SF Bay Area overcast, ready for some sunshine ; )
To see the infrared light of incredibly distant stars and planets, #Webb needs to be extremely cold. Enter its tennis court-sized sunshield, providing shade and keeping the telescope operating below 50 Kelvin (-370°F, or -223°C). More: http://jwst.nasa.gov/sunshield.html #JWST #USOpenpic.twitter.com/LUidILEfif
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You would think it's winter in summer, way it feel, almost feel that ice age cold.
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What’s the spf of that sun shield?
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It gives sun protection comparable to ~SPF 1 million!
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Please work right the first time!
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The shield deployment is outdated/ it needs to be replaced with an oragami fold out instead current
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