Sojourner was the first successfully landed mars rover. It was deployed from the Mars Pathfinder, and landed on July 4, 1997. It was designed for 7 sols (7 days) but actually lasted for 83 sols (85 days). All communications were lost on 27 September 1997. It traveled about 100 metres, when the communications were lost. This article is a . You can help My English Wiki by expanding it.