Astrophysics I is the first of a series of three educative applications in astronomy. This first part covers the solar system. More than 90 screens of astronomy on the solar system ! More than 40 animations to explain astrophysics, most in 3D. For teachers !! Connect your iPad to a video projector and show the animations to your students in classroom. List of topics: Introduction: - Reminder of mathematics, - Reminder of mechanical, - Coordinate Systems, - Time measurement. Gravity…