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Subject: Elliptical orbits for planets
From: mwforum@xxxxxxxxxxxxxxxxxx (mwforum@xxxxxxxxxxxxxxxxxx)
Date: Wed, 5 Mar 2003 16:31:55 +1100

Some of my Year 6 students are trying to create a solar-system project
.They have commented that similar projects on the web have the planets
moving in circular orbits but my students want to be as
astronomically-correct as possible and use more elliptical orbits . The
problem is that I don't know a 'formula' to get turtle to move in an
elliptical-type path. I'd very much appreciate any assistance from
cyberspace.  Thanks  Graham Williams  Victoria  Australia
Title: Elliptical orbits for planets

Some of my Year 6 students are trying to create a solar-system project .They have commented that similar projects on the web have the planets moving in circular orbits but my students want to be as astronomically-correct as possible and use more elliptical orbits . The problem is that I don't know a 'formula' to get turtle to move in an elliptical-type path. I'd very much appreciate any assistance from cyberspace.  Thanks  Graham Williams  Victoria  Australia


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