How to get three stars on angry birds space world 1 level 19
Three more stars waiting to be collected by you on this level 1-19 of angry birds space. All you have to do is place that first bird perfectly. Not sure how, take a look at the screenshot. All you have to do is shoot the bird at the third concrete slab from the bottom in the first tower of the level. As it gets there press your screen so it blows. If you hit it just right the rubble will set of the crate of TNT and take out all the pigs.
Still not sure how, check out the video of the thing below