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Speed of Light
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Close Neighbor
October 22, 2022Moon and Jupiter
September 10, 2022Roswell Incident II
July 7, 2022Ether
September 6, 2021Moon and Companions
October 2, 2019Foucault and Fizeau
September 18, 2019Moon and Regulus
January 22, 2019Moon and Aldebaran
September 29, 2018