The Death Star
When a soap bubble is about to pop, it sometimes takes on this semi-transparent stringy look (you try describing it). Reminds me of the Death Star. This burst and left mid air debris that looked like ash. I don't know why they sometimes do this. Bubbles don't always take on this look just before popping - mostly they just ping and the remains are wet and can sting your eyes.
For those of you thinking that this is a really difficult photo to take, it's actually not that hard. I set the focus to manual and then move myself and the camera forwards and backwards while checking focus in the viewfinder. It's the same technique that is popular amongst macro photographers. It leaves me one hand free to blow bubbles too.
Made Explore but then, I think, went away again. Such is life.