Portal:Jupiter/Radiation astronomy/15
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Visuals[edit | edit source]
There is anecdotal evidence that people had seen the Galilean moons of Jupiter before telescopes were invented.[1]
References[edit | edit source]
- ↑ Zezong, Xi, "The Discovery of Jupiter's Satellite Made by Gan De 2000 years Before Galileo", Chinese Physics 2 (3) (1982): 664–67.