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HMS Challenger departed Portsmouth on a scientific expedition that laid the foundations of oceanography.

Historical image related to HMS Challenger departed Portsmouth on a scientific expedition that laid the foundations of oceanography. from December 21, 1872

HMS Challenger (1858)

Pearl-class corvette and research vessel

HMS Challenger was a Pearl-class corvette of the Royal Navy launched on 13 February 1858 at the Woolwich Dockyard.
Source: Wikipedia (CC BY-SA)

Portsmouth

City in Hampshire, England

Portsmouth is a port city and unitary authority in Hampshire, England. Most of Portsmouth is located on Portsea Island, off the south coast of England in the Solent, making Portsmouth the only city in England not located primarily on the mainland. The city is located 22 miles…
Source: Wikipedia (CC BY-SA)

Challenger expedition

Oceanographic research expedition (1872–1876)

The Challenger expedition of 1872–1876 was a scientific programme that made many discoveries to lay the foundation of oceanography. The expedition was named after the naval vessel that undertook the trip, HMS Challenger.
Source: Wikipedia (CC BY-SA)

Oceanography

Study of physical, chemical, and biological processes in the ocean

Oceanography, also known as oceanology, sea science, ocean science, and marine science, is the scientific study of the ocean, including its physics, chemistry, biology, and geology.
Source: Wikipedia (CC BY-SA)