T^2 ∝ a^3

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Orbits
Earth and Space PRACTICAL PHYISCS

Illustration of an elliptical orbit

Demonstration: three methods of visualising elliptical orbits.

Practical Activity 14-16

Kepler's First Law
Earth and Space PRACTICAL PHYISCS

Guidance on Kepler's Laws

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

Orbits
Earth and Space IOP TAP

Episode 403: Orbital motion

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

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