[DOC] [TLE] The Pioneer Missions | NASA [PAR] Launched on 2 March 1972, Pioneer 10 was the first spacecraft to travel through 
the ... During its Jupiter encounter, Pioneer 10 imaged the planet and its moons, 
and ... of our solar system until the end of its science mission on 31 March 1997. 
... an advanced concept study of communication technology in support of NASA's
... [DOC] [TLE] Pioneer 10 - Wikipedia [PAR] Pioneer 10 (originally designated Pioneer F) is an American space probe, 
weighing 258 ... These were to be launched in 1972 and 1973 during favorable 
windows that ... It would come within about three times the radius of the planet, 
which was ..... After March 31, 1997, Pioneer 10's weak signal continued to be 
tracked by... [DOC] [TLE] J! Archive - Show #3259, aired 1998-11-05 [PAR] When this Chinese leader died February 19, 1997 it was noted he hadn't ... 
Pioneer 10, which was launched in 1972 to study this planet, was retired in 1997
... [DOC] [TLE] The Little Spacecraft that Could and Did (Pioneer, Voyager and IMP-8) [PAR] Jul 22, 2002 ... largest planet, Jupiter, taking the first close-up images of it and charting its ... 
Pioneer 10 was launched on March 2, 1972, on an expedition to Jupiter. To mark 
its 30th birthday, scientists sent a special transmission to the retired spacecraft. ... 
In 1997, NASA researchers realized they needed to re-point the... [DOC] [TLE] Pioneer 10,Pioneer 10,Encyclopedia_Shared Encyclopedia_et97.com [PAR] 10 (Pioneer 10 or Pioneer F) is a spacecraft launched by NASA on March 2, 1972
. ... Until March 31, 1997, the end of the task, Pioneer 10 in outer space in the 
solar ... a weak signal in deep space network tracking, used to study chaos theory
. ... It crossed the largest planet in the solar system, sending back 300 medium... [DOC] [TLE] The Little Spacecraft that Could  and Did - Scientific American [PAR] Jul 22, 2002 ... Pioneer 10 was launched on March 2, 1972, on an expedition to Jupiter. To mark 
its 30th birthday, scientists sent a special transmission to the retired spacecraft. ... 
In 1997, NASA researchers realized they needed to re-point the ... on its 
interstellar mission, while Voyager 2 took the full four-planet tour. [DOC] [TLE] Up Close and Personal with Jupiter: A History of 9 Space Probes [PAR] Jun 28, 2016 ... The probe is set to arrive at the gas giant planet on July 4. ... 10 also studied the 
asteroid belt, and then flew past Jupiter to study more distant regions of the solar 
system. ... Launched in March 1972, Pioneer 10 lived up to its name by ... 
Galileo's primary mission ended in 1997, but an extended mission... [DOC] [TLE] Well Done, Pioneer 10 - The New York Times [PAR] Mar 4, 1997 ... MARCH 4, 1997 ... Launched on March 2, 1972, little Pioneer 10 sent back the 
first close-up ... the first object of human design to travel beyond the planets of the 
solar system. ... ''It's done its job very well and deserves to retire,'' said B. J. O'
Brien, who ... Studying the Building Blocks of Life in Stereo Sound... [DOC] [TLE] Space Probes - Print [PAR] Those glimmers of light slowly began to come into focus in 1972 and 1973. ... It 
also charted Jupiter's brutally strong radiation belts and located the planet's 
magnetic field. ... Pioneer 10 was officially retired on March 31, 1997, but it 
continued to ..... The craft is studying Saturn's 100,000 or so ringlets; its 
atmosphere and... [DOC] [TLE] Pioneer 10 - Astronet [PAR] Originally launched in 1972, Pioneer 10 is still providing valuable scientific data. 
... funding, but was revived when scientists studying chaos theory took an interest
. ... Two years into retirement, Pioneer 10 is flying high and still calling home. The 
mission formally ended on 31 March 1997 when funding ended in favor of more... [DOC] [TLE] Space Today Online --

Question: Pioneer 10, which was launched in 1972 to study this planet, was retired in 1997
Answer: Jupiter