Students explore how a satellite's motion is governed by the same physics principles and described by the same mathematical equations.

Through interactive practice problems and illustrated examples, students explore energy relationships for satellites.

A physics usenet listing of frequently asked questions relating to relativity, answered by a number of scientists. Administrivia and Reference, Speed of Light, Special Relativity, General Relativity and Cosmology, Black Holes. Loads of...

An excellent and thorough answer to the often asked question about high tide "bulges" on the side of Earth facing away from the Moon or Sun.

College-level online course highlighting the study of classical mechanics. This course focuses on Newtonian mechanics, fluid mechanics, and kinetic gas theory. Course features include a 35 video lecture series by Walter Lewin. Also link...

An online version of a book pertaining to task of launching rockets into space and subsequently navigating them through space. The first several "chapters" (pages) describe the influence of gravity on Earth and the barriers which it...