Adams Nunatak is a nunatak

Nunatak

A nunatak is an exposed, often rocky element of a ridge, mountain, or peak not covered with ice or snow within an ice field or glacier. The term is typically used in areas where a permanent ice sheet is present...

 on the south side of Neptune Glacier

Neptune Glacier

Neptune Glacier is a glacier on the east coast of Alexander Island, 12 nautical miles long and 4 nautical miles wide, flowing east into George VI Sound to the south of Triton Point. First seen from the air by Lincoln Ellsworth on November 23, 1935, and roughly mapped from photos obtained on that...

, 6 miles (10 km) west of Cannonball Cliffs

Cannonball Cliffs

The Cannonball Cliffs are cliffs at the south side of the terminus of Neptune Glacier on the east side of Alexander Island. The feature consists of two east-west ridges about high, joined by a narrow north-south ridge...

, in eastern Alexander Island

Alexander Island

Alexander Island or Alexander I Island or Alexander I Land or Alexander Land is the largest island of Antarctica, with an area of lying in the Bellingshausen Sea west of the base of the Antarctic Peninsula, from which it is separated by Marguerite Bay and George VI Sound. Alexander Island lies off...

. Mapped by Directorate of Overseas Surveys from satellite

Satellite

In the context of spaceflight, a satellite is an object which has been placed into orbit by human endeavour. Such objects are sometimes called artificial satellites to distinguish them from natural satellites such as the Moon....

 imagery supplied by NASA

NASA

The National Aeronautics and Space Administration is the agency of the United States government that is responsible for the nation's civilian space program and for aeronautics and aerospace research...

 in cooperation with U.S. Geological Survey. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) in association with Neptune Glacier after John Couch Adams

John Couch Adams

John Couch Adams was a British mathematician and astronomer. Adams was born in Laneast, near Launceston, Cornwall, and died in Cambridge. The Cornish name Couch is pronounced "cooch"....

, the Cambridge

University of Cambridge

The University of Cambridge is a public research university located in Cambridge, United Kingdom. It is the second-oldest university in both the United Kingdom and the English-speaking world , and the seventh-oldest globally...

 mathematician who deduced the existence of the planet Neptune

Neptune

Neptune is the eighth and farthest planet from the Sun in the Solar System. Named for the Roman god of the sea, it is the fourth-largest planet by diameter and the third largest by mass. Neptune is 17 times the mass of Earth and is slightly more massive than its near-twin Uranus, which is 15 times...

.