The students will follow the rover Curiosity on its way to the red planet Mars by using the World Wide Telescope. The didactical approach is based on scientific inquiry in order to give students the enjoyment of finding out for themselves and initiates appreciation of the nature of scientific activity, of the power and the limitations of science. The main question will be: Where is Curiosity now? The educational activity will benefit of e-learning tools like WWT, and some web resources.