Rings of Neptune narrow, dusty ringlets and even fainter broad dusty rings. The rings of Neptune, like those of Uranus, are thought to be relatively young; their age is probably significantly less than that of the Solar System. Also, like those of Uranus, Neptune's rings probably resulted from the collisional fragmentation of onetime inner moons. Such events create moonlet belts, which act as the sources of dust for the rings. In this respect the rings of Neptune are similar to faint dusty bands observed by "Voyager 2" between the main rings of Uranus. The innermost ring of Neptune is called the "Galle ring"
Wonders of the Solar System Cox concludes by stating that Europa represents the "most fascinating and important alien world we know. A true wonder of the Solar system because it's our best hope of finding extraterrestrial life." An accompanying hardcover book was released on 30 September 2010: The region 1 DVD and Blu-ray discs were released on 7 September 2010. The region 2 DVD and Blu-ray discs of the series were released on 12 April 2010. The region 4 DVD and Blu-ray discs were released on 7 April 2011. Brian Cox from his Twitter account stated that there would be a second series, "Wonders of