Polarstar Ridge () is a jagged

ridge A ridge or a mountain ridge is a geographical feature consisting of a chain of mountains or hills that form a continuous elevated crest for an extended distance. The sides of the ridge slope away from the narrow top on either side. The line ...

, 4 nautical miles (7 km) long, trending southwest from The Obelisk in the

Staccato Peaks Staccato Peaks () is a series of rock peaks extending 11 miles (18 km) in a north–south direction, rising to about 940 m with Hageman Peak Hageman Peak () is a montane landform pinnacle rising to about at the northwest end of the Stac ...

, situated in the southern portion of

Alexander Island Alexander Island, which is also known as Alexander I Island, Alexander I Land, Alexander Land, Alexander I Archipelago, and Zemlja Alexandra I, is the largest island of Antarctica. It lies in the Bellingshausen Sea west of Palmer Land, Antarc ...

Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest contine ...

. The ridge was named by the

Advisory Committee on Antarctic Names The Advisory Committee on Antarctic Names (ACAN or US-ACAN) is an advisory committee of the United States Board on Geographic Names responsible for recommending commemorative names for features in Antarctica. History The committee was established ...

(US-ACAN) after the

Polar Star A pole star or polar star is a star, preferably bright, nearly aligned with the axis of a rotating astronomical body. Currently, Earth's pole stars are Polaris (Alpha Ursae Minoris), a bright magnitude-2 star aligned approximately with its n ...

, the low-wing monoplane from which

Lincoln Ellsworth Lincoln Ellsworth (May 12, 1880 – May 26, 1951) was a polar explorer from the United States and a major benefactor of the American Museum of Natural History. Biography Lincoln Ellsworth was born on May 12, 1880, to James Ellsworth and Eva F ...

, with pilot

Herbert Hollick-Kenyon Herbert Hollick-Kenyon (17 April 1897 – 30 July 1975) was a British aircraft pilot who made significant contributions towards aviation in Antarctica. Early life Herbert Hollick-Kenyon was born in London on 17 April 1897. His mother, Annie Ka ...

, discovered and photographed this ridge and the Staccato Peaks on November 23, 1935.

See also