pioneer 10 mission

[3] Orientation of the spacecraft was maintained with six 4.5 N,[4] hydrazine thrusters mounted in three pairs. In June 1983, the NASA spacecraft left the solar system and the next day radioed back the first scientific data on interstellar space. Yielding to multiple proposals throughout the 1960s, early mission objectives were defined as: Explore the interplanetary medium beyond the orbit of Mars. Its course is pointed in the direction of the star Aldebaran, the "eye" of the Taurus constellation at a distance of 68 light-years (ly), which it will reach in two million years.[35]. It also observed high-energy ions of aluminum and sodium in the solar wind.

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In spite of the half life of plutonium-238 being 87.7 years, the power output has decreased more than expected. [23] NASA decided that the RTG units had probably fallen below the power threshold needed to operate the transmitter. Pioneer 10 in deep space. All Rights Reserved. Radio communications were lost with Pioneer 10 on January 23, 2003, because of the loss of electric power for its radio transmitter, with the probe at a distance of 12 Template:Convert/SpellnumSrtLoff9Template:Convert/engout/n0 (Template:Convert/round AU) from Earth. The heat range was maintained within the operating limits of the equipment by means of louvers located below the mounting platform.

Close-up images of the Great Red Spot and the terminator were obtained. No response was received from Pioneer 10. At the behest of Carl Sagan,Template:Sfn Pioneer 10 and Pioneer 11 carry a 152 by 229 mm (Template:Convert/round by Template:Convert/round in) gold-anodized aluminum plaque in case either spacecraft is ever found by intelligent life-forms from another planetary system. The only anomaly during this interval was the failure of the Canopus sensor, which instead required the spacecraft to maintain its orientation using the two Sun sensors.Template:Sfn, While passing through interplanetary medium, Pioneer 10 became the first mission to detect interplanetary atoms of helium. After two ...read more. The first Human space probe to explore the outer solar system, its primary mission was to analyze the planet Jupiter. The bow shock of Jupiter's magnetosphere was reached on November 16, as indicated by a drop in the velocity of the solar wind from 451 km/s (Template:Convert/round mi/s) to 225 km/s (Template:Convert/round mi/s). [3] The spacecraft had a launch mass of about 260 kilograms (Template:Convert/round lb). The trajectory is expected to take it in the general direction of the star Aldebaran, currently located at a distance of about 68 light years. Ninety minutes after launch, the spacecraft reached interplanetary space.Template:Sfn Pioneer 10 passed by the Moon in 11 hoursTemplate:Sfn and became the fastest human-made object at that time.Template:Sfn Two days after launch, the scientific instruments were turned on, beginning with the cosmic ray telescope.

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