Cosmic Crystals 7-1/Space Eagle

Here is the strategy for 100% total destruction with Space Eagle for Cosmic Crystals 7-1 (Angry Birds Space). Note: You must have least one sardine can to play this mode.

Difficulty

 * One sardine can enough damage the Crystal Planet.
 * Leftover Bird costs lots of points.

Strategy
Throw Sardine through the asteroid belt around the crystal planet, then click/tap when sardine can enter the atmosphere.