1 Lab starts this week—NS 017 Bring lab manual to lab Bring lab manual to lab Do Prelab 1 before you go! Ancient civilizations believed that Earth was at the center of the universe—GEOCENTRIC MODEL Age of Reason beginning to recognize Sun is center of Solar System—HELIOCENTRIC MODEL Age of Technology exploring wide reaches of the universe 5 th century B.C. Moon is a sphere lighted by Sun •http://www-history.mcs.st-andrews.ac.uk/Biographies/Anaxagoras.html 4 th century BC Earth is a sphere •http://www.hao.ucar.edu/public/education/sp/images/aristotle.html 3 rd century BC Mathemetician Placed Sun at center with Earth orbiting it with Earth orbiting it •http://en.wikipedia.org/wiki/Eratosthenes#Measurement_of_the_Earth 2 nd century AD Copies of works survive to this day T l t d t T ranslated to Arabic early, to Latin in 13 th century •http://archive.ncsa.uiuc.edu/SDG/Experimental/vatican.exhibit/exhibit/full-images/d-mathematics/math21.gif Mars usually moves across sky west to east Occasionally appears to move east to west Occurs when Earth is ‘passing’ Mars
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Lab starts this week—NS 017Bring lab manual to labBring lab manual to lab
Do Prelab 1 before you go!
Ancient civilizations believed that Earth was at the center of the universe—GEOCENTRIC MODEL
Age of Reason beginning to recognize Sun is center of Solar System—HELIOCENTRIC MODEL
Age of Technology exploring wide reaches of the universe