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Anders Celsius

The Man Behind the Celsius Scale
by

tyler foster

on 26 April 2010

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Transcript of Anders Celsius

Anders Celsius Childhood

he was born 1701
he lived in uppsala
he was a great mathmatician as a young boy
his father was an astronomer
one of his grandfathers was an astronomer
the other was a mathmaticatian His Achievments

Invented the Celsius scale
Was an Astronomer & Mathmatician
Participated in measuring the length of a degree of the meridian on French astronomer Maupertuis' famous expedition in 1736
Unsuccessfully tried to get the gregorian calendar adopted
He published catalogues of magnitudes for a total of 300 stars using his own photometric system


He is most well known for his metereological observations where he constructed what is now known as the Celsius thermometer. 0 is designated as the boiling point of water and 100 for the freezing point. Since his death in 1744 the Celsius scale has reversed to its present form where 0 equals freezing point and 100 equals boiling point. His death

he died in 1744 from tuberculosis
he was buried next to his gandfathers in Sweden
nine years after he died the calendars were changed from the julias to the gregorian, dropping 11 days from the calendar "The idea of his system consists of using identical transparent glass plates and viewing the ray of light from a star through them. He could then compare the magnitudes of the stars by the number of glass plates needed to extinguishe the light."
http://www.astro.uu.se/history/Celsius_eng.html
Sites

http://wiki.answers.com/Q/Where_did_Anders_Celsius_do_his_work
http://www.astro.uu.se/history/Celsius_eng.htmlSites
http://en.wikipedia.org/wiki/Anders_Celsius
Full transcript