CCI ARCHIVES / SCIENCE PHOTO LIBRARY CCI ARCHIVES / SCIENCE PHOTO LIBRARY
Bonpland and Humboldt observing the stars. Historical engraving of the French explorer botanist Aime Bonpland (1773-1858) and Prussian geographer and naturalist Alexander von Humboldt (1769-1859) observing shooting stars in South America, in 1799. From Weltall und Menscheit (Universe and Humanity), by Hans Kraemer (ca.
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