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