Why does the dog on the moon bark?
Julian Ray has made 50 presets of sounds you can use to create your commercial and non-commercial musical works. Click here for a sample.
He has some great "space" electronic music and imagery on his website. His videos include: 'A Journey to the Milky Way' and 'What can be more mysterious than the Moon?'
He also has a blog 'Listening to the Universe' where there are more videos e.g. 'Pleiades'.