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Exploratio2 - Exploration Figure 1 Voyager 2 view of...

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Exploration Figure 1: Voyager 2 view (August 26, 1981) of Enceladus's Saturn-facing hemisphere. The Samarkand Sulci grooves run vertically just right of center; Ali Baba (lower) and Aladdin craters are at upper left. Planned/previous Cassini encounters with Enceladus [22] [23] Date Distance (km) February 17, 2005 1,264 March 9, 2005 500 March 29, 2005 64,000 May 21, 2005 93,000 July 14, 2005 175 October 12, 2005 49,000 December 24, 2005 94,000 January 17, 2006 146,000 September 9, 2006 40,000 November 9, 2006 95,000 June 28, 2007 90,000 September 30, 2007 98,000 March 12, 2008 52
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June 30, 2008 84,000 August 11, 2008 54 October 9, 2008 25 October 31, 2008 200 November 8, 2008 52,804 November 2, 2009 103 November 21, 2009 1,607 April 28, 2010 103 May 18, 2010 201 August 13, 2010 2554 November 30, 2010 48 December 21, 2010 50 January 30, 2011 60000 February 20, 2011 68000 September 13, 2011 42000 October 1, 2011 99 October 19, 2011 1231 November 5, 2011 496 November 23, 2011 35000 December 11, 2011 20000 Enceladus was discovered by Fredrick William Herschel on August 28, 1789, during the first use of his new 1.2 m telescope, then the largest in the world. [24] [25] Herschel first observed Enceladus in 1787, but in his smaller, 16.5 cm telescope, the moon was not recognized. [26] Its faint apparent
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