Alaskan-based group Project Aether is studying what happens in the upper atmosphere by filming the cosmos. Explains Engadget, "Using a helium-filled weather balloon and a payload made of carbon fiber tubing, the team lofted a set of GoPro HD Hero 2 cameras, one of which captured photos of the green aurora borealis and, off to the side, the lingering the glow from a long-set sun. That black arc below? That's the earth."
Read more and watch the video here.