Heavenly Mathematics & Cultural Astronomy, Tutorial 1

  1. How does the Earth move around the Sun. What is the direction of the rotation and the revolution? What is the obliquity?
  2. What is the midnight Sun? Where and when can you see it?
  3. Define the following concepts.
  4. How do we know that the Earth is round?

Helmer Aslaksen
Department of Mathematics
National University of Singapore

Web Server Statistics for Helmer Aslaksen, produced by Analog.

Valid XHTML 1.0!

I use the W3C MarkUp Validation Service and the W3C Link Checker.