Distance from Foci to Ellipse

Class practical: a simple method for drawing an ellipse, using the two foci.

Practical Activity 14-16

Demonstration: three methods of visualising elliptical orbits.

Practical Activity 14-16

When Tycho Brahe was 17, he observed the conjunction of Jupiter and Saturn and was dismayed to find that the astronomical...

Teaching Guidance 14-16

In this episode, students will learn how to combine concepts learned in the study of circular motion with Newton’s Law of...

Lesson 16-19