<?php   /* Code © Charles Chandler http://qdl.scs-inc.us/?top=11898 */   /* Given that the circumference of a soccer ball is 69 cm, this finds the radius, and then compares the size of the Sun to the sizes and orbital distances of the planets. */ define('kSoccerBallRad_m', (69 / 100) / (2 * M_PI)); $scale = kSoccerBallRad_m / ($solSys->sun->radius_km * 1000); $v['soc_diam' ] = kSoccerBallRad_m * 2; $v['sun_diam' ] = $solSys->sun->radius_km * 1000 * $scale * 2; $v['mercury_diam'] = $solSys->mercury->radius_mean_km * 1000 * $scale * 2; $v['mercury_orbt'] = $solSys->mercury->orbit_mean_km * 1000 * $scale; $v['venus_diam' ] = $solSys->venus->radius_mean_km * 1000 * $scale * 2; $v['venus_orbt' ] = $solSys->venus->orbit_mean_km * 1000 * $scale; $v['earth_diam' ] = $solSys->earth->radius_mean_km * 1000 * $scale * 2; $v['earth_orbt' ] = $solSys->earth->orbit_mean_km * 1000 * $scale; $v['mars_diam' ] = $solSys->mars->radius_mean_km * 1000 * $scale * 2; $v['mars_orbt' ] = $solSys->mars->orbit_mean_km * 1000 * $scale; $v['jupiter_diam'] = $solSys->jupiter->radius_mean_km * 1000 * $scale * 2; $v['jupiter_orbt'] = $solSys->jupiter->orbit_mean_km * 1000 * $scale; $v['saturn_diam' ] = $solSys->saturn->radius_mean_km * 1000 * $scale * 2; $v['saturn_orbt' ] = $solSys->saturn->orbit_mean_km * 1000 * $scale; $v['uranus_diam' ] = $solSys->uranus->radius_mean_km * 1000 * $scale * 2; $v['uranus_orbt' ] = $solSys->uranus->orbit_mean_km * 1000 * $scale; $v['neptune_diam'] = $solSys->neptune->radius_mean_km * 1000 * $scale * 2; $v['neptune_orbt'] = $solSys->neptune->orbit_mean_km * 1000 * $scale;   ?>