Cosmic Crystals 7-3

Cosmic Crystals 7-3 is the third level in Cosmic Crystals.

Difficulty
One large asteroid can destroy the whole crystal planet, but must move fast.

Strategy
Send the Black Bird just south of the southmost asteroid, detonating to throw it through the small piglet. Sometimes, the crystal planet will pop with only one large and fast asteroid, but two may be required at times.