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The probes discovered and confirmed several new satellites orbiting near or within the planet's rings, as well as the small Maxwell Gap (a gap within the C Ring) and Keeler gap (a 42km-wide gap in the A Ring). Evidence of hydrocarbon lakes on Titan". NBC News. Associated Press. 25 July 2006. Archived from the original on 24 August 2014 . Retrieved 19 July 2011. Hydrocarbon lake finally confirmed on Titan". Cosmos Magazine. 31 July 2008. Archived from the original on 1 November 2011 . Retrieved 19 July 2011. Sachs, A. (2 May 1974). "Babylonian Observational Astronomy". Philosophical Transactions of the Royal Society of London. 276 (1257): 43–50. Bibcode: 1974RSPTA.276...43S. doi: 10.1098/rsta.1974.0008. JSTOR 74273. S2CID 121539390. Cain, Fraser (27 November 2009). "Who Discovered Saturn?". Universe Today. Archived from the original on 18 July 2012 . Retrieved 17 September 2011.
Cowen, Rob (7 November 1999). "Largest known planetary ring discovered". Science News. Archived from the original on 22 August 2011 . Retrieved 9 April 2010.Russell, Randy (7 June 2004). "Saturn Moons and Rings". Windows to the Universe. Archived from the original on 4 September 2011 . Retrieved 19 July 2011. Gregersen, Erik, ed. (2010). Outer Solar System: Jupiter, Saturn, Uranus, Neptune, and the Dwarf Planets. The Rosen Publishing Group. p.119. ISBN 978-1615300143. Archived from the original on 10 June 2020 . Retrieved 17 February 2018. Poulet F.; etal. (2002). "The Composition of Saturn's Rings". Icarus. 160 (2): 350. Bibcode: 2002Icar..160..350P. doi: 10.1006/icar.2002.6967. Archived from the original on 29 July 2019 . Retrieved 28 June 2019.
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