NASA launched the Mariner 4 space probe on a mission to Mars.
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The TIROS satellite transmitted the first-ever TV picture from space.
Project SCORE, the world's first communications satellite, was launched into orbit.
The Soviet spacecraft Luna I became the first to pass the moon.
Cosmonauts Titov and Strekalov narrowly escaped the Soyuz T-10 spacecraft explosion.
The Soyuz 3 spacecraft achieved the first Soviet space rendezvous with Soyuz 2.
