For demonstrating the overall shape of solar system, and the main movements of the planets. The apparatus has all the nine planets of Solar System from Mercury to Pluto on revolving arms with the biggest sphere representing sun positioned at the center. The planets are relative to their size as they appear in the solar system, but not to scale.
Home/PHYSICS/Meteorology Earth Science & Solar System/PHY-MESS-44 SOLAR SYSTEM MODEL (THE ORBIT ORRERY)