Inspiring and amazing as the rescue was, though, I think I have to give the "mind-blowing" nod to this proposed explanation for how Saturn's moon Iapetus came to have its bizarre equatorial ridge.
Unlike Saturn's other spherical or ellipsoid moons, Iapetus has a unique, slightly squashed shape with an 8-mile-high (13-kilometer-high) mountain range running around much of its middle, like the cusp where the halves of a walnut shell join.I was dubious about the idea of damping rotational spin as I started, but by the time I finished, I was convinced it was the best explanation I've seen. This is one strange feature, and it's going to require some strange things happening to cause it. This seems to work... but don't assume it's the "right" answer yet. I don't doubt it'll have challengers and problems. That's science, and that's why I love it.