The launch of Juno II (AM-14), carrying the lunar and planetary exploration satellite in orbit, Pioneer IV, on March 3, 1959. the Pioneer IV probe was the first U.S. satellite to orbit the Sun.
The launch of Juno II (AM-14), carrying the lunar and planetary exploration satellite in orbit, Pioneer IV, on March 3, 1959. the Pioneer IV probe was the first U.S. satellite to orbit the Sun.