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How Kepler’s 400-year-old sunspot sketches helped solve a modern mystery
mercredi 31 juillet 2024, 22:16 , par Mac Megasite
Enlarge / A naked-eye sunspot group on May 11, 2024. There are typically 40,000 to...
https://macmegasite.com/2024/07/31/how-keplers-400-year-old-sunspot-sketches-helped-solve-a-modern-m...
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dim. 22 déc. - 13:43 CET
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