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An expedition led by English explorer James Cook reached Christmas Island (pictured), the largest coral atoll in the world.
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James Cook
British explorer and naval officer (1728–1779)
Captain James Cook was a British Royal Navy officer, explorer, and cartographer who led three important voyages of exploration to the Pacific and Southern Oceans between 1768 and 1779. He completed the first recorded circumnavigation of the main islands of New Zealand, and was…Source: Wikipedia (CC BY-SA)
Kiritimati
Coral atoll in the northern Line Islands, Kiribati
Kiritimati, also known as Christmas Island, is a Pacific Ocean atoll in the northern Line Islands. It is part of the Republic of Kiribati. The name is derived from the English word "Christmas" written in Gilbertese according to its phonology, in which the combination ti is…Source: Wikipedia (CC BY-SA)
Atoll
Ring-shaped coral reef
An atoll is a ring-shaped island, including a coral rim that encircles a lagoon. There may be coral islands or cays on the rim. Atolls are located in warm tropical or subtropical parts of the oceans and seas where corals can develop. Most of the approximately 440 atolls in the…Source: Wikipedia (CC BY-SA)