Pig Bang 1-8/Space Eagle

Here is the strategy for 100% total destruction with Space Eagle for Pig Bang 1-8 (Angry Birds Space). Note: You must have least one sardine can to play this mode.

Difficulty
Sardine can cannot through the ice dome, so it's hard to collect feather with only one can.

Strategy
Throw Sardine to land at the bottom-left base of the dome. The gravitational pull of the planet is strong enough to shatter most of the ice as it falls.