ASTRONOMY 161 Introduction to Solar System Astronomy Class 7.
Motion Why do objects move? Forces and Gravity. Recap Second midterm in two week: 11/1 Distances in astronomy – Measuring distances using brightnesses.
Isaac Newton and the Universal Law of Gravitation.
Gravity and the Expanding Universe Thursday, January 31.
Motion
6. Centripetal force F = ma 1. Example: A stone of mass m sits at the bottom of a bucket. A string is attached to the bucket and the whole thing is made.
Isaac Newton’s 3 rd Law and the Universal Law of Gravitation.
ASTRONOMY 161 Introduction to Solar System Astronomy
