NASA technical notes TX (series). D-1721. Effect of refraction on setting sun as seen from space in theory and observation; [by] Winifred Sawtell Cameron [and others].
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Effect of refraction on setting sun as seen from space in theory and observation; [by] Winifred Sawtell Cameron [and others].
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NASA technical notes TX (series). D-1721. Effect of refraction on setting sun as seen from space in theory and observation; [by] Winifred Sawtell Cameron [and others].