This celebrity goo was created by Scott Hardie.

This goo was worth a point in April 2026.

publication date: Sunday, April 19, 2026 (part of April 2026)

category: Science

clue: This old, deaf, bearded recluse in a log cabin famously avoided Russian society. Perhaps his equations about rocket trajectory, escape velocity, and rocket fuel combustion allowed Soviet cosmonauts to live out his dream of leaving Russian society altogether.

explanation: Tsiolkovsky was a pioneer in astronautics, active roughly from 1880 to 1935. He was the first to work out the practical mathematics that would later enable human space travel. more…

intended difficulty: easy

solved by: Russ Wilhelm, Samir Mehta, and Richard Slominsky


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