This preview shows page 1. Sign up to view the full content.
Unformatted text preview: The seasons are a consequence of the tilt of Earths axis of rotation (23.5 degrees from perpendicular to the Earths orbital plane) Can tell because the day changes length o Even though sun shines longer in the south pole, still not very warm because this is less heating per unit area of the ground if the is low i.e. the sunlight is less direct, light spread out over a bigger area Old Ideas of the Universe o Stars on a fixed sphere o Moon and planets on spheres that rotated around the moon...
View Full Document
This note was uploaded on 04/04/2008 for the course ASTRO C 10 taught by Professor Filippenko during the Fall '08 term at University of California, Berkeley.
- Fall '08