Thank you all for the kind feedback. It's much appreciated and I am happy that you like it!
... Although the music is so sad, it almost made me cry.
Very well chosen.
Poor sun. 
ROFL ... no worries. Fotunately, it just
A sun and not ours - so I guess we are safe for now ;-)
...
Is it webGL ?
No, it's plain JavaScript using the 2DContext of the canvas element. But WebGL is a really interesting topic though!
I'd never expected to see and hear such a high level of excellence and beauty in a JavaScript demo.
I am left wondering what the black circles are - they seem to be too symetrical to be planets, but it could just be a glitch on my crummy hardware.
Deciding who to vote for just got harder.
Wow, that is a really kind comment and feedback. Thank you so much, CK0. About the planets being symetrical ... the whole scene is rendered actually by one formula (refer to code), so it might look not super-natural.