ADVANTAGES

This worksheet is intended to help you understand and reviewthe observed motions of the sky, and how the two different modelsof our solar system accounted for or explained those motions.A second benefit of completing this worksheet may also be to helpyou see how any science progresses, by developing theories andmodels to explain phenomena, and revising those theories as newobservations are made. Answers will be posted (and discussed inweekly sections).

Testimonials

Satisfied customers are saying