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Cover of Somnium by Johannes Kepler

Somnium

Johannes Kepler · 1634
Mentioned 1 time across 1 podcast · 2026
Where it's mentioned
How the Moon shaped humanity — and defined life on Earth
Ideas · Oct 2026
“Beginning with Johannes Kepler, a contemporary of Galileo, whose work about the moon Somnium is widely credited as the first ever work of science fiction”