The year 1642 in science and technology

See also: 1641 in science, other events of 1642, 1643 in science, list of years in science.

Exploration

• Abel Janzoon Tasman, Dutch explorer, sights Tasmania, which he names Anthony Van Dieman's Land.

Births

• December 25 - Sir Isaac Newton, English mathematician and scientist.

Deaths

• January 8 - Galileo Galilei, astronomer