1840 in Science - Exploration

Exploration

  • January 19 - Captain Charles Wilkes' United States Exploring Expedition sights Wilkes Land, providing evidence that Antarctica is a complete continent.
  • January 21 - Adélie Land first visited by Jules Dumont d'Urville in the French ship Astrolabe.
  • The Nemesis (1839) becomes the first iron ship to sail around the Cape of Good Hope, aided by techniques to adjust the compass for the effect of an iron hull developed the year before by George Biddell Airy, the Astronomer Royal.

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