Robert_Charlton - 10:55 am on Sep 9, 2012 (gmt 0)
PS - Google calls it a "carousel", and it's definitely tied in with the Knowledge Graph...
Explore with the Knowledge Graph carousel in English globally
Google Inside Search - 9/5/12
...Over the next couple days, we’ll begin showing the carousel for factual lists to our English users on all Google domains across the world.
Coincidentally, they also mention the saturn's moons (the exploration of which by Cassini has for me been one of the great modern scientific adventures).
This works for a variety of locally interesting lists like [aamir khan movies], [cast of the it crowd] or [mountains of the alps] or more general queries like [saturn’s moons] or [dog breeds]. The carousel makes it easy to explore the items in the list -- it stays attached to the top of the search results page so you can flip through the items easily and dive in deeper if something catches your interest....