Rings of Uranus to the numbering of the occultation events in one paper. Uranus's ring system was the second to be discovered in the Solar System, after that of Saturn. The rings were directly imaged when the "Voyager 2" spacecraft flew through the Uranian system in 1986. Two more faint rings were revealed, bringing the total to eleven. The Hubble Space Telescope detected an additional pair of previously unseen rings in 2003–2005, bringing the total number known to 13. The discovery of these outer rings doubled the known radius of the ring system. Hubble also imaged two small satellites for the first time,
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