English Sojourner (rover) Cited by user Artem.G on 19 Aug 2021 Sojourner is a robotic Mars rover that landed in the Ares Vallis channel in the Chryse Planitia region of the Oxia Palus quadrangle on July 4, 1997.
English Mars Pathfinder Cited by user Dana boomer on 08 Dec 2008 Mars Pathfinder (MESUR Pathfinder) is an American robotic spacecraft that landed a base station with a roving probe on Mars in 1997.