Published on 2026-09-20
Thomas Harriot drew the first sunspots with a telescope
The English scientist Thomas Harriot was the first to observe sunspots using a telescope. This event is attested by a drawing contained in his notebook and dated December 8, 1610. This discovery paved the way for the study of the Sun's rotation thanks to the movement of these elements.
Rotation du SoleilUtilisation des taches solaires pour mesurer la rotation
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