Space exploration timeline [1950th] (part 1)

Successful missions (completed or partially completed):  Information Completed mission means mission all objectives of which were achieved. Partially completed mission means mission where at least one objective was achieved. The list does not include low orbit spacecrafts. Vanguard 1 – “green color” is orbiting and/or out of battery and/or returned to the Earth Explorer 1 […]

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