Demonstration: three methods of visualising elliptical orbits.
Demonstration: demonstrating the law using air or carbon dioxide pucks – or an ice rink.
Class practical: the simple kit demonstrates the increase in speed with a diminishing radius of orbit.
Demonstration: the speed of the puck increases as the radius of orbit of the puck decreases.
This simple class activity demonstrates the increase in speed with a diminishing radius of orbit.
When Tycho Brahe was 17, he observed the conjunction of Jupiter and Saturn and was dismayed to find that the astronomical...
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