When was NASA's famous 'meatball' logo first introduced before being temporarily replaced by the 'worm' logo in 1975?

In the realm of astronomy and space exploration, branding plays a crucial role in public engagement and recognition. Few scientific organizations have achieved the brand recognition of NASA, whose various logos have become iconic symbols of human space exploration. This poll tests your knowledge about one of the most recognizable brand identities in the scientific world.

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1959, just after NASA's founding
1962, coinciding with the Mercury program
1967, as part of the Apollo program branding
1971, celebrating the success of Apollo 11