Teaching astronomy and astrophysics with Hands-On-Universe and SalsaJ: stars, planets, exoplanets and dark matter

How can teachers and researchers contribute to a new world-wide way to teach astronomy ? The Hands-On-Universe group proposes multi-media tools, from remote telescopes to image processing, inspired by the most recent research activities in astronomy and astrophysics. Teachers and students can learn, in a quantitative way, to analyse images and spectra using free data sets and softwares available at the website www.eu-hou.org.