Wednesday 29 September 2021

https://twitter.com/Arckhunter/status/1443217945228890114Cryogenic Testing of the Webb Telescope's Primary Mirror Segment via NASA https://t.co/vgHucxn8K2 https://t.co/iX5qXIX64x Arckhunter


from Twitter https://twitter.com/Arckhunter

September 29, 2021 at 04:15AM
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