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The year 1611 CE in science and technology included many events, some of which are listed here.
See also: 1610 in science, other events of 1611, 1612 in science and the list of years in science.
Astronomy
Sunspots are first observed telescopically by Frisian astronomers Johannes and David Fabricius; their discovery is overlooked however, and the first sighting is claimed a few months later by Galileo Galilei and Christoph Scheiner
Births
January 28 - Johannes Hevelius, German astronomer (died 1687)
Deaths
Henry Hudson, English explorer (born c1565)
Category:1611
Category:Years in science
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