A fun toy!
Ever wanted X-ray specs or super-human vision? Chromoscope lets you explore our Galaxy (the Milky Way) and the distant Universe in a range of wavelengths from gamma-rays to the longest radio waves.
http://www.chromoscope.net/
(http://itsabeautifulearth.files.wordpress.com/2011/05/chromoscope-screen.jpg)
Cosmo