Opportunity (rover) Opportunity (rover) Opportunity, also known as MER-B (Mars Exploration Rover – B) or MER-1, is a robotic rover active on Mars since 2004. Launched on July 7, 2003 as part of NASA's Mars Exploration Rover program, it landed in Meridiani Planum on January 25, 2004, three weeks after its twin "Spirit" (MER-A) touched down on the other side of the planet. With a planned 90 sol duration of activity (slightly more than 90 earth days), "Spirit" functioned until getting stuck in 2009 and ceased communications in 2010, while "Opportunity" was active as of June 10, 2018 when a dust storm
Mission: Earth, Voyage to the Home Planet and Jones later produced another collaborative work, "Scholastic Encyclopedia of the United States at War", which was published in 1998. Jones wrote another book about his experiences in space, "Sky Walking: An Astronaut's Memoir", which was published in 2006. In "Mission: Earth, Voyage to the Home Planet", astronaut Thomas David Jones recounts his experiences studying the Earth during his first mission with the United States space agency NASA. Jones' space mission lasted eleven days. Jones was a member of the crew of the Space Shuttle "Endeavour", which left Earth in April 1994. The mission was intended to provide the Space