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Explorer I is launched, and the program continues until 2011, sending the first U.S satellite. unmanned
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The Pioneer program begins on Aug. 17, 1958 and ends in 1978, some orojects exploring the outer planets and solar system.
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The Echo project starts on May 13, 1960 and ends in 1964. This project was the first passive communications satellite experiment.
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Consisting of two missions, the Telstar project is meant to be for commercial communication satellites.
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The Mariner project began in 1962 and ended in 1963, consisting of robotic probes intending to explore Mars, Venus, and Mercury.
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The Surveyor program begins in 1966 and ends in 1968, sending seven spacecraft to the moon to demonstrate the ability of soft landings.
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dureing a test run a wire short curicited igniteing the high oxigen zone of the capsule all three astronauts died from soufocation
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georgi dobrovvolski, vladislav vakov and viktor patsayer three cosmonoughts where killed when a rpessure valve jerked open and depresurised the cabin dureing a launch
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The Helios probes are launched into space only a few weeks away from each other, both built for the purpose of studying solar processes.
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The Viking program consists of a pair of space probes sent to Mars—Viking 1 and Viking 2, both in the same year.
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73 seconds after take off one of the solid rocket boosters burnt a hole into the main fuel tank causeing an explosion killing the entire crew
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The space craft Galileo is sent by NASA to study the planet Jupiter and its moons.
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The Hubble Space Telescope is carried into space, serving as one of the most active telescopes even today.
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UARS is sent up as a science satellite to study Earth's atmosphere, including the ozone layer.
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The Mars Global Surveyor (MGS) is sent up to Mars on November 7, using series of high-resolution cameras to explore the surface of Mars.
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The Mars Pathfinder, a robotic rover, is sent up to explore the surface of Mars.
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after 16 days in space the columbia broke up during re-entry due to a gouge on one of the wings
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NASA's Mars Exploration Rover Mission (MER), is launched as a robotic space mission involving two rovers exploring the planet Mars.
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New Horizons is a NASA robotic spacecraft mission sent to the dwarf planet Pluto. It is the first spacecraft to fly by and study Pluto and its moons, Charon, Nix, and Hydra.
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The robotic Curiosity rover is scheduled to land on Mars in August 2012, where it will search for evidence of past or present life on Mars.
