Scientists are casting one of the largest telescope mirrors ever made on Earth https://t.co/zmOz4ggsfn
— stowey don allen (@donstnath) March 6, 2021
from Twitter https://twitter.com/donstnath
March 06, 2021 at 12:03AM
http://twitter.com/donstnath/status/1368110047268601858
from Tumblr https://ift.tt/2Osg8gC
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