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Gary Taylor

M27 - Dumbell Nebula

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Posts Made By: David Marlin

April 23, 2006 02:07 AM Forum: Astro-Physics

Celestial Mechanics

Posted By David Marlin

Please visit http://www.orbitsexplained.com for a new free online course, for teachers and students, in celestial mechanics using a novel approach. Please let me know what you think about it. Thanks! I am new to this forum. -d.m.

April 23, 2006 02:16 AM Forum: Beginning Astronomy?

Planetary Orbits

Posted By David Marlin

For a free online explanation of planetary orbits visit http://www.orbitsexplained.com