There at the end it looks like she figures it out. We're not sure if she really did, or just noticed that she could see outside and got distracted.
But we're leaning towards the idea that she hasn't figured it out yet. Or, if she did, she quickly forgot. As you can see in this video, taken a couple days later, the sun spots on the balcony still held the same mystery.
 See http://en.wikipedia.org/wiki/Sun spot.