Heavenly Mathematics: Observing the Sun and the Moon from Different Parts of the World A/P Helmer Aslaksen Dept. of Mathematics National University of.

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Presentation transcript:

Heavenly Mathematics: Observing the Sun and the Moon from Different Parts of the World A/P Helmer Aslaksen Dept. of Mathematics National University of Singapore

General Education Modules at the National University of Singapore Heavenly Mathematics: Cultural Astronomy Mathematics in Art and Architecture Mathematics in Politics, Poker and Paradoxes

What’s the goal of this talk? I learned a lot of fascinating stuff, both mathematics and general knowledge that I’d love to share with you. Share some experiences from teaching these classes that may inspire you to offer the classes you’ve always wanted to teach!

Where is Singapore?

Content of astronomy course Basic astronomy from a hemispherically-correct view point. Calendars, with an emphasis on the four calendars in use in Singapore: Gregorian, Chinese, Muslim and Indian. Navigation.

Motion of the Sun and the Moon

Where does the Sun set?

Orbit of the Moon around the Sun

The mathematics of the Singapore flag

Analemma picture

Globe

Close-up

Eccentricity

Why does obliquity matter?

Obliquity

Combined effect

Analemma

Rising and setting analemma