15 Facts About Anders Celsius


Anders Celsius was a Swedish astronomer, physicist and mathematician.


Anders Celsius was professor of astronomy at Uppsala University from 1730 to 1744, but traveled from 1732 to 1735 visiting notable observatories in Germany, Italy and France.


Anders Celsius founded the Uppsala Astronomical Observatory in 1741, and in 1742 proposed the Centigrade temperature scale which was later renamed Celsius in his honour.


Anders Celsius's family originated from Ovanaker in the province of Halsingland.


The name Celsius is a latinization of the estate's name.


Anders Celsius was a talented mathematician from an early age.


Anders Celsius studied at Uppsala University, where his father was a teacher, and in 1730 he, too, became a professor of astronomy there.


Anders Celsius's research involved the study of auroral phenomena, which he conducted with his assistant Olof Hiorter, and he was the first to suggest a connection between the aurora borealis and changes in the magnetic field of the Earth.


Anders Celsius observed the variations of a compass needle and found that larger deflections correlated with stronger auroral activity.


Anders Celsius traveled frequently in the early 1730s, including to Germany, Italy and France, when he visited most of the major European observatories.


Anders Celsius was successful in the request, and Celsius founded the Uppsala Astronomical Observatory in 1741.


Anders Celsius made observations of eclipses and various astronomical objects and published catalogues of carefully determined magnitudes for some 300 stars using his own photometric system.


Anders Celsius's thermometer was calibrated with a value of 0 for the boiling point of water and 100 for the freezing point.


Anders Celsius conducted many geographical measurements for the Swedish General map, and was one of earliest to note that much of Scandinavia is slowly rising above sea level, a continuous process which has been occurring since the melting of the ice from the latest ice age.


Anders Celsius supported the formation of the Royal Swedish Academy of Sciences in Stockholm in 1739 by Linnaeus and five others, and was elected a member at the first meeting of this academy.