During the height of the Cold War in the 1960s and 1970s, the USSR launched 29 spacecraft towards Venus, the planet scientists call Earth’s “twin sister”.
Three flew past Venus, and went into orbit around the Sun. Sixteen orbited or…
During the height of the Cold War in the 1960s and 1970s, the USSR launched 29 spacecraft towards Venus, the planet scientists call Earth’s “twin sister”.
Three flew past Venus, and went into orbit around the Sun. Sixteen orbited or…