mini planetarium

PLANETERIUM / MINI-PLANETERIUM The Functions of Mini-planeterium 1. It can represent the beautiful sky in a roomwithout light at any time, and any place. It can simulate onobservation on the sky intercepted at any time. 2. It can simulate the real time sky or a sky intercepted at any time. 3. It can automatically generate diurnal apparent motion. 4. It can simulate a sky that's synchronized with the real one The Structure of Mini-planetarium 1 pc fixed stars 2pcs polar altitude plates 2 pcspolar altitude handwheel 1 pc base 1 pc compass 1 pc diurnal clutch pad 1 pc date dial 1 pc time dial 1 pc battery (3, self_provideded) 1 pc U-shaped bar