Objects disappear bottom-first due to Earth’s curvature. 🌍⛴️😳 As the cruise ship moved farther away, its lower part vanished first while the top remained visible for a while. This happens because Earth’s surface curves—distance plus curvature hides objects gradually from the bottom up. On a flat Earth, the entire ship would simply shrink but stay fully visible. This simple observation has been used for centuries and aligns with geometry, navigation, and modern satellite data. Love science? Fol
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