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Undergraduate Research Opportunity Programme in Science
 

Summary: Undergraduate Research Opportunity
Programme in Science
A Mathematical Supplement To
"The Sun in the Church:
Cathedrals as Solar Observatories"
by J.L. Heilbron
NG YOKE LENG
SUPERVISOR
ASSOC. PROF. HELMER ASLAKSEN
Department of Mathematics
National University of Singapore
Semester II, 2000/2001
INTRODUCTION
J.L. Heilbron's book "The Sun in the Church" addresses a basic problem: how is time
measured? Since the time period of the Earth's orbit around the Sun is not neatly
divisible into a whole number of days, it is hard to construct a calendar that will mark
a moment in time back at the exact same point after the Earth makes a complete orbit
around the Sun. In the book, Heilbron gives a comprehensive overview of the various
approaches that have been proposed and implemented by the Catholic Church to fix
the calendar. As the Church wanted to have a systematic way to determine when

  

Source: Aslaksen, Helmer - Department of Mathematics, National University of Singapore

 

Collections: Mathematics