             <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">class</span> <span class="kt">Earth</span> <span class="p">:</span> <span class="kt"><a href="Classes/Object.html">Object</a></span><span class="p">,</span> <span class="kt"><a href="Protocols/PlanetaryBase.html">PlanetaryBase</a></span><span class="p">,</span> <span class="kt"><a href="Protocols/PlanetaryOrbits.html">PlanetaryOrbits</a></span></code></pr