Product Description
This stamp celebrates and recognizes the Pioneer's arrival to Jupiter, the largest planet
in the Solar System. In March 1972, NASA launched the Pioneer 10 spacecraft
from the Ames Research Center in Mountain View, California. The goal was to
observe the asteroid belt and Jupiter. Arriving at Jupiter in December 1973, Pioneer
10 revealed Jupiter's intense radiation output, its tremendous magnetic field, and the
probability of a liquid interior. The Pioneer 10 later became the most distant and
longest-lived interplanetary explorer.
Date of Issue - February 28, 1975
Place of Issue - Mountain View, California
Scott #1556