51![Combined Structural and Compositional Modeling of Planetary Rings Due to Micrometeoroid Bombardment and Ballistic Transport Paul R. Estrada Carl Sagan Center, SETI Institute 189 N. Bernardo Ave. # 100, Mountain View, CA Combined Structural and Compositional Modeling of Planetary Rings Due to Micrometeoroid Bombardment and Ballistic Transport Paul R. Estrada Carl Sagan Center, SETI Institute 189 N. Bernardo Ave. # 100, Mountain View, CA](https://www.pdfsearch.io/img/de7d1dfede19340ac50fc353e73e768e.jpg) | Add to Reading ListSource URL: spacescience.arc.nasa.govLanguage: English - Date: 2012-07-05 21:19:22
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52![Quests and Discussions for Students, Episode 13 Series Finale ! Written by Ann Druyan Quests and Discussions for Students, Episode 13 Series Finale ! Written by Ann Druyan](https://www.pdfsearch.io/img/29323988a8e20a2510d993cf08990019.jpg) | Add to Reading ListSource URL: static-media.fox.comLanguage: English - Date: 2014-06-09 15:22:57
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53![Quests and Discussions for Students, Episode 12 ! Written by Ann Druyan Produced by Cosmos Studios Quests and Discussions for Students, Episode 12 ! Written by Ann Druyan Produced by Cosmos Studios](https://www.pdfsearch.io/img/8509347c0218e0c1fb182f0f269d66bd.jpg) | Add to Reading ListSource URL: static-media.fox.comLanguage: English - Date: 2014-06-01 15:17:26
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54![Library Corner Carl Sagan wrote that the “ library connects us with the insight and knowledge, painfully extracted from Nature, of the greatest minds that ever were, with the best teachers, drawn from the entire plane Library Corner Carl Sagan wrote that the “ library connects us with the insight and knowledge, painfully extracted from Nature, of the greatest minds that ever were, with the best teachers, drawn from the entire plane](https://www.pdfsearch.io/img/7139784a342cf2edc0ddb1b0216d984f.jpg) | Add to Reading ListSource URL: seaford.lib.de.usLanguage: English - Date: 2014-04-25 14:02:06
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55![VITA: JAMES F. BELL III (JIM) Professor, Arizona State University School of Earth and Space Exploration Box[removed]; Building: INTDS-A, Room 115B Tempe, AZ[removed]phone: ([removed]; fax: ([removed] VITA: JAMES F. BELL III (JIM) Professor, Arizona State University School of Earth and Space Exploration Box[removed]; Building: INTDS-A, Room 115B Tempe, AZ[removed]phone: ([removed]; fax: ([removed]](https://www.pdfsearch.io/img/987128b9755f1ea343556acfea45f7ed.jpg) | Add to Reading ListSource URL: jimbell.sese.asu.eduLanguage: English - Date: 2013-06-04 15:22:20
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56![ASTRONOMY BEAT www.astrosociety.org Number 46 • April 5, 2010 Publisher: Astronomical Society of the Pacific Editor: Andrew Fraknoi ASTRONOMY BEAT www.astrosociety.org Number 46 • April 5, 2010 Publisher: Astronomical Society of the Pacific Editor: Andrew Fraknoi](https://www.pdfsearch.io/img/68d724769f7052e1c99b27685e257f07.jpg) | Add to Reading ListSource URL: astrosociety.orgLanguage: English - Date: 2014-05-22 23:47:32
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57![Introductory Materials • 1.1 Table of Contents 1. Introductory Materials 1.1 Table of Contents Introductory Materials • 1.1 Table of Contents 1. Introductory Materials 1.1 Table of Contents](https://www.pdfsearch.io/img/de8ec3e7ffc7b01eebeac45191b07387.jpg) | Add to Reading ListSource URL: www.astrosociety.orgLanguage: English - Date: 2014-05-21 13:45:54
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58![Photoclinometry evaluations of HiRISE images of proposed sites Ross A. Beyer and the HiRISE Team Carl Sagan Center at the SETI Institute and NASA Ames Research Center URL for HiRISE data: Photoclinometry evaluations of HiRISE images of proposed sites Ross A. Beyer and the HiRISE Team Carl Sagan Center at the SETI Institute and NASA Ames Research Center URL for HiRISE data:](https://www.pdfsearch.io/img/3a68c0588166c3cf2275a8e15c3a8a6d.jpg) | Add to Reading ListSource URL: marsoweb.nas.nasa.govLanguage: English - Date: 2007-10-24 19:42:26
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59![latimes.com/news/local/la-me-0414-ed-stone[removed],0,[removed]story A new frontier in quest to understand the cosmos With Voyager 1 poised to enter deep space, the possibilities are tantalizing, especially for one scien latimes.com/news/local/la-me-0414-ed-stone[removed],0,[removed]story A new frontier in quest to understand the cosmos With Voyager 1 poised to enter deep space, the possibilities are tantalizing, especially for one scien](https://www.pdfsearch.io/img/67230902a44cfc9c138bbc5896d0875e.jpg) | Add to Reading ListSource URL: vepo.gsfc.nasa.govLanguage: English - Date: 2011-04-15 09:54:39
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60![Texas Law Review See Also Response Patent Remedies and Practical Reason Thomas F. Cotter* Carl Sagan once described the earth as “a routine planet near a Texas Law Review See Also Response Patent Remedies and Practical Reason Thomas F. Cotter* Carl Sagan once described the earth as “a routine planet near a](https://www.pdfsearch.io/img/274dd27fcf61aab5aa144ddb53a3a654.jpg) | Add to Reading ListSource URL: www.texaslrev.comLanguage: English - Date: 2012-11-17 14:11:19
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