1. Jia-Rui C. Cook and Rachel Prucey, “Cassini Shows Saturnian Roller Derby, Strange Weather,” JPL press release 2010–090 (18 Mar. 2010).
2. NASA Goddard Space Flight Center (GSFC), “Saturn: History,”
http://huygensgcms.gsfc.nasa.gov/Shistory.htm
, GSFC Web site, accessed 6 June 2011.
3. Christiaan Huygens, De Saturni Luna Observatio Nova (New Observation of a Moon of Saturn), (The Hague: 1656). The treatise was also published in Pierre Borel, De Vero Telescopii Inventore, Cum Brevi Omnium Conspiciliorum Historia-Observationum Microcospicarum Centuria (The Hague: Adriaan Vlacq, 1655–1656).
4. The anagram was, “a a a a a a a c c c c c d e e e e e h i i i i i i i l l l l m m n n n n n n n n n o o o o p p q r r s t t t t t u u u u u,” as reported in Ronald Brashear , “Christiaan Huygens: Systema Saturnium (1659),”
http://www.sil.si.edu/DigitalCollections/HST/Huygens/huygens-introduction.htm
, Special Collections Department, Smithsonian Institution Libraries (May 1999).
5. Ronald Brashear , “Christiaan Huygens: Systema Saturnium (1659),”
http://www.sil.si.edu/DigitalCollections/HST/Huygens/huygens-introduction.htm
, Special Collections Department, Smithsonian Institution Libraries (May 1999); Planetary Society, “The Alphabet Soup of Saturn’s Rings,”
http://www.planetary.org/explore/topics/saturn/rings.html
(24 May 2005); “The New Science,”
http://www.library.usyd.edu.au/libraries/rare/modernity/accademia.html
, Rare Books and Special Collection Library, University of Sydney Web site, accessed 6 June 2011.