I try to keep most of my resources hardware and software independent, but sometimes, somethings are too good to pass up.
100 000 stars is basically google street view for the universe. Students can travel in 360 degrees as the explore the universe around them. It is a great tool for examining real distance between objects and the stars in our ‘neighbourhood’.
Needs: Chrome browser – relatively recent build.
I love this little site – the Musical Solar System. They give every planet (including put upon Pluto) a tone, and each tone plays as they complete one orbit, keeping the speed ratios intact. Students can speed up or slow down the solar system as they see fit.