Astronomy Bubbles

Rules of the game:

* Collect 2 or more closely spaced planets or stars from the same type to clear them away from the playing field.

* Get scores for every collected luminary and accomplish a new high score.

* For every collected star you get a bonus score.

* Collect 50 bonus scores to unlock the supernova.

* Collect 5 or more stars at once to get the double bonus scores for this move.

* After collecting 50 bonus scores in the title bar appears a supernova. Click on the supernova to activate it and click again on the playing field (on one of the stars or planets) to place the supernova.