One of the larger islands in the remote Cook Island chain of the Central Pacific has the classic features of a coral atoll.
Published Nov 9, 2015
The ring shape is the result of coral reefs building up around a former volcanic island in the South Pacific.
Published Apr 6, 2009
This astronaut photograph depicts Apataki Atoll, an atoll in the Tuamotu Islands in the south Pacific. Atolls are ring-like coral islands that nearly or entirely enclose a lagoon. The atoll traces the perimeter of what was once the coastline of a volcanic island. In 1722, Dutch navigator Jakob Roggeveen became the first European to see the Apataki Atoll. It was later visited by Captain Cook in 1774.
Published Mar 6, 2006
Sixty years ago, operation Castle Bravo unleashed the unexpectedly potent power of a hydrogen bomb on a small island chain in the western Pacific.
Published Mar 1, 2014
This astronaut photograph shows Mataiva Atoll, the westernmost atoll of the Tuamotu Archipelago.
Published Aug 30, 2010
The islands and coral atolls of French Polynesia, located in the southern Pacific Ocean, epitomize the idea of tropical paradise: white sandy beaches, turquoise lagoons, and palm trees.
Published Jul 14, 2009
Coral, rock, silt, sand, rubble, sponges, and seaweed all contribute to the architecture of the Cocos (Keeling) Islands.
Published Dec 27, 2011
This astronaut photograph shows Tetiaroa Island, part of the Society Islands archipelago in the southern Pacific Ocean. Tetiaroa is an atoll comprised of thirteen small islets.
Published Feb 16, 2009
Light reflecting off the waters around Crete indicates a smooth, mirror-like surface.
Published Jul 6, 2017
Lakshadweep’s coral atolls glow iridescent blue-green in this natural-color scene from February 2012.
Published Apr 15, 2012
