Eötvös effect - Wikipedia
Van Allen radiation belt - Wikipedia
Principio de Pascal - Wikipedia
Experimento de Cavendish - Wikipedia
Saros (astronomy) - Wikipedia
Fred Espenak - Wikipedia
Fata Morgana (mirage)
Lunar X
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Apollo 15 - Wikipedia
Starship (SpaceX)
Tianwen-1 - Wikipedia
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Pete Conrad
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Alan Shepard - Wikipedia
Edgar Mitchell
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