Who was the first to visit the Sea of Tranquility?
Christopher Columbus
Ferdinand Magellan
Abel Tasman
Neil Armstrong
Apollo 11 landing site was selected because it had been characterized as relatively flat and smooth by the automated Ranger 8 and Surveyor 5 landers.
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Answers by country
Christopher Columbus
Ferdinand Magellan
Abel Tasman
Neil Armstrong
answers
Republic of Ireland15
the Netherlands11
Australia48
Germany226
Switzerland27
the United Kingdom109
Canada28
France15
Greece21
Austria47
the United States271
Poland8271
India177
the Philippines10
Unknown16