Code_Operator t1_j8qkwgt wrote
Reply to comment by Arthurs-towel42 in The Nancy Grace Roman Space Telescope - the next major step in astronomy that will help unlock the secrets of the universe's expansion and dark energy. by upyoars
The mirror is 1 of 2 donated to NASA from the NRO, intended for use in spy satellites.
[deleted] t1_j8sx9nb wrote
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