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The following simulation can illustrate how satellite motion takes place. <br>
The following simulation can illustrate how satellite motion takes place. <br>
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<div style="position: relative; width: 300px; height: 226px;"><a href="http://phet.colorado.edu/sims/gravity-and-orbits/gravity-and-orbits_en.jnlp" style="text-decoration: none;"><img src="http://phet.colorado.edu/sims/gravity-and-orbits/gravity-and-orbits-screenshot.png" alt="Gravity and Orbits" style="border: none;" width="300" height="226"/><div style="position: absolute; width: 200px; height: 80px; left: 50px; top: 73px; background-color: #FFF; opacity: 0.6; filter: alpha(opacity = 60);"></div><table style="position: absolute; width: 200px; height: 80px; left: 50px; top: 73px;"><tr><td style="text-align: center; color: #000; font-size: 24px; font-family: Arial,sans-serif;">Click to Run</td></tr></table></a></div>
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["http://phet.colorado.edu/sims/gravity-and-orbits/gravity-and-orbits_en.jnlp" style="text-decoration: none;"><img src="http://phet.colorado.edu/sims/gravity-and-orbits/gravity-and-orbits-screenshot.png" alt="Gravity and Orbits" style="border: none;" width="300" height="226"/><div style="position: absolute; width: 200px; height: 80px; left: 50px; top: 73px; background-color: #FFF; opacity: 0.6; filter: alpha(opacity = 60);"> Click to Run ]
= Kepler's Laws =
= Kepler's Laws =