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Why Scientists Once Believed Another Civilization Was Here | David Baron
1:08:06
YouTubeEvent Horizon
Why Scientists Once Believed Another Civilization Was Here | David Baron
For a moment in history, scientists and the public alike seriously believed there was another civilization right next door. Science journalist and author David Baron explores the forgotten era when astronomers thought Mars was crisscrossed by artificial canals, glowing lights signaled intelligence, and that an advanced Martian civilization ...
68.4K views5 days ago
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