What was the nickname given to NASA's classic circular blue logo that was retired in 1975 and then brought back in 1992 due to public demand?

NASA's iconic logo has undergone several transformations since the agency's founding in 1958. One particular design has become so beloved that it has its own nickname and has persisted through decades of space exploration history. Test your knowledge of this famous astronomical brand identity that has adorned everything from spacecraft to merchandise and has become synonymous with humanity's quest to explore the cosmos.

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The Meatball
The Orbital
The Swoosh
The Planetoid