【實用教育app】Planets|最夯免費app-綠色工廠好玩App

3D guide to the solar system for aspiring astronomers

Is that bright object in the sky a star or a planet? The 3D view of the sky make it easy to identify planets and constellations. Learn what the sky looks like at frequencies outside of the visible spectrum. Spin the Earth or the planet of your choice with one finger.