btw, the whole #JWST 6.5m-wide primary mirror has ab a golf ball’s mass worth of gold (48g), spread out to 1/1000 thickness of a human hair
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Replying to @scottie_moos
@capman2455@astraughnomer It's actually the amount of gold in ~10 rings - or about the mass of a golf ball!1 reply 0 retweets 2 likes -
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Replying to @scottie_moos
@capman2455 @astraughnomer Also if you're interested, we have the math for the "golf ball's mass" of gold here: http://jwst.nasa.gov/faq.html#gold
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