Mar 4 1987
From The Space Library
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(New page: NASA declared the Pioneer 9 spacecraft officially dead after a final attempt to contact it failed. The last signal was received on May 18, 1983. Pioneer 9 had orbited the Sun for 1...)
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NASA declared the Pioneer 9 spacecraft officially dead after a final attempt to contact it failed. The last signal was received on May 18, 1983. Pioneer 9 had orbited the Sun for 18 years. (NASA Release 87-23; W Times, Mar 5/87)
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