A Landmark Day for Space Robots

Forty years ago today — September 12, 1970 — the Soviet Union launched the first fully-robotic mission to retrieve a sample from a celestial body and return it to the Earth.


(Luna-16. NASA image.)

Luna-16 launched on a Proton-K rocket from the Baikonur Cosmodrome. It landed on the Moon and collected its sample on the 20th of September. The next day, it launched its return package, which parachuted to a safe landing in Kazakhstan on the 24th.

The United States had already carried out two Lunar sample return missions, Apollo-11 and Apollo-12. Luna-16 marked the first time a sample return mission was accomplished remotely, by a robotic system.

For more on the Luna-16 mission, see this NASA solar system exploration page.

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