Peace Beauty Life Light Wisdom Love Imagination: This is how much gold was used to paint or coat 18 mirrors of James Webb telescope (Webb's primary mirror is 6.5 meters (21 feet 4 inches) across). ~48 grams of gold. Thickness of gold coating = 100 x 10-9 meters (1000 angstroms).

Sunday, February 20, 2022

This is how much gold was used to paint or coat 18 mirrors of James Webb telescope (Webb's primary mirror is 6.5 meters (21 feet 4 inches) across). ~48 grams of gold. Thickness of gold coating = 100 x 10-9 meters (1000 angstroms).

https://bit.ly/35b2mqW via /r/spaceporn https://bit.ly/3s3iu79

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