Signy Island References Signy Island island, South Atlantic Ocean Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: South Orkney Islands…are barren and uninhabited, but Signy Island is used as a base for Antarctic exploration. George Powell (British) and Nathaniel Palmer (American), both sealers, sighted and charted the islands in December 1821. Read More…are barren and uninhabited, but Signy Island is used as a base for Antarctic exploration. George Powell (British) and Nathaniel Palmer (American), both sealers, sighted and charted the islands in December 1821. Read More