Sojourner References Images Sojourner United States spacecraft 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: Mars PathfinderThe rover was named Sojourner in honour of the 19th-century African American civil rights advocate Sojourner Truth. Read MoreThe rover was named Sojourner in honour of the 19th-century African American civil rights advocate Sojourner Truth. Read More