At the "All- macht Wissen" school event at a museum in Recklinghausen, Germany, on 23 March 2009 - we explain to the students how the Sun looks very different at various wavelengths and what that means.

At the "All- macht Wissen" school event at a museum in Recklinghausen, Germany, on 23 March 2009 - we explain to the students how the Sun looks very different at various wavelengths and what that means.