To help solve this mystery, scientists went on an ocean expedition to drill into a large, 145-million-year-old underwater supervolcano.

为了解开这个谜，科学家们进行了一次海洋探险，去钻探145亿年前就在水下存在的超级火山。

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A 2005 Census of Marine Life expedition to the Arctic Ocean captured a so-called sea angel, Clione limacina, at about 1, 148 feet (350 meters) underwater.

2005年一次远征北冰洋的海洋生物普查，捕获了一个所谓的“冰海天使（学名Clione limacin），它生活在水下大约1,148英尺（约350米）。

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A team of scientists from four countries have set out on a seafaring expedition to discover what color the Atlantic Ocean is.

目前，一只四国科学家小组已经开始远洋航行，去研究大西洋到底是什么颜色。

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Tara Oceans runs a 3-year scientific and outreach expedition throughout the ocean.

UNESCO: Tara Oceans Expedition: Call in New York.

The male albino ferret has been named Kon-Tiki after a famous 1940s raft expedition across the Pacific Ocean.

BBC: Floating ferret rescued off Anglesey's Beaumaris Pier

Apollo 17, the last manned expedition to the Moon, splashed down in the Pacific Ocean on Dec. 19, 1972.

FORBES: The Return of "Buzz Aldrin's Race into Space" Game