1611_in_science Knowpia

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The year 1611 in science and technology involved some significant events.

Astronomy edit

February 27 – Sunspots are observed by telescope by Frisian astronomers Johannes Fabricius and David Fabricius and Johannes publishes the results of these observations in De Maculis in Sole observatis in Wittenberg later this year.^[1] Such early discoveries are overlooked however, and the first sighting is claimed a few months later by Galileo Galilei and Christoph Scheiner.

Completion of Cordouan lighthouse on the Gironde estuary (designed by Louis de Foix), the first wave-swept light.

^ Thony, C. (2011-01-08). "Spotting the spots". The Renaissance Mathematicus. Archived from the original on 21 July 2011. Retrieved 2011-08-09.
^ "On the six-cornered snowflake".