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            Lauren Aguirre, Executive EditorKristine Allington,
            Project Coordinator
 Jon Alper, Encoding
 Jamie Biggar,
            Quicktime Interactivity
 Kit Buckley, Video Scripting
 Darcy Forlenza,
            Editorial Assistant
 Rick Groleau, Managing Editor
 Jay Harlow, Illustrator
 James Heuser, Web Intern
 Tyler Howe, Senior Designer
 Brenden Kootsey,
            Senior Web Developer
 Lexi Krock, Associate Editor
 Alan Kwan, Developer
 David Levin, Assistant Editor
 Susan K. Lewis, Editor
 Jacqueline Mitchell,
            Editorial Assistant
 Tacita Morway, Senior Developer
 Sonali Patel, Designer
 Melissa Salpietra,
            Assistant Editor
 Peter Tyson, Editor in Chief
 Rachel VanCott,
            Editoral Assistant
 Anya Vinokour, Senior Designer
 
 
            Special ThanksJuan R. Cruz,
            NASA Langley Research Center
 Anna Davis, MDTV Productions
 
            Image Credits Mars homepage
 Image Composite: (Mars) © NASA/JPL (martian soil) ©
            NASA/JPL-Caltech/University of Arizona/Texas A&M University
 
            Life's Little EssentialImages: (waterfall, iceberg) © Peter Tyson; (Titan) ©
            NASA, Voyager 2
 
            Ask the ExpertImage: (Leslie Tamppari) Courtesy Leslie Tamppari
 
            "Live" From MarsTwitter badges courtesy Twitter.com
 
            Behind the ScenesImages: (Mark Davis et al) Courtesy of Mark Davis/MDTV Productions;
            (rover lab, parachute, rover, launchpad, mission control) ©
            WGBH/NOVA/MDTV Productions
 
            Man on a MissionImages: (Squyres) © Diane Bollen; Illustrations: © Cornell
            University/NASA/JPL and Dan Maas; (all other photos) © NASA/JPL
 
            Mars From AfarImages: (the planet, terrain) © NASA/JPL; (canyon) ©
            NASA/NSSDC, Viking Orbiter; (volcano) © NASA/NSSDC, Viking 1
            (sand dunes, crater, ice cap, faulting, layered rocks, gullies,
            clouds, mesas, landslide, plains, dust storms) © NASA/JPL/MSSS;
            (frozen water) Courtesy NASA/JPL-Caltech/University of Arizona/Texas
            A&M University; (Mars globe) © NASA/USGS
 
            Mars Up CloseImages: (all) © NASA/JPL/Cornell
 
            Anatomy of a RoverImages: (illustrations) © Cornell University/NASA/JPL and Dan
            Maas
 
            Design a ParachuteImages: (illustrations) © WGBH/NOVA
 
            From Launch to LandingVideo: © 2002 Cornell University. Animation by Dan Maas. All
            rights reserved. This work was performed for the Jet Propulsion
            Laboratory, California Institute of Technology, sponsored by the
            U.S. government under Prime Contract # NAS7-1407 between the
            California Institute of Technology and NASA. Copyright and other
            rights in the design drawings of the Mars Exploration Rover are held
            by the California Institute of Technology (Caltech)/ Jet Propulsion
            Laboratory (JPL). Use of the MER design has been provided to Cornell
            courtesy of NASA, JPL, and Caltech.
 
            TV Program DescriptionImages: (Is There Life on Mars?) © NASA/JPL-Caltech/University
            of Arizona/Texas A&M University; (Welcome to Mars) © NASA/JPL;
            (MARS Dead or Alive) © Cornell University/NASA/JPL and Dan Maas
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            Written, Produced and Directed byMark Davis
 
            Edited byNathan Hendrie
 
            Associate ProducerAnna Davis
 
            Narrated byNeil Ross
 
            MusicTom Phillips
 
            CameraRobert Jaye
 
            Additional CameraJohn Beck
 Brian Dowley
 Marten Kaufman
 Mike Kennel
 
            SoundK.C. Clayton
 Paul Gramaglia
 George Shafnacker
 Robert Schuck
 Jayme Roy
 Douglas Alexander Arnold
 
            Additional EditingBrian Feeney
 Jen Siebenmann
 Heydar Adel
 
            GafferJohn Monsour
 
            MER AnimationMaas Digital LLC
 © 2002 Cornell University
 All rights reserved.
 
 This work was performed for the Jet Propulsion Laboratory,
              California Institute of Technology, sponsored by the United States
              Government under Prime Contract #NAS7-1407 between the California
              Institute of Technology and NASA. Copyright and other rights in
              the design drawings of the Mars Exploration Rover are held by the
              California Institute of Technology (Caltech)/Jet Propulsion
              Laboratory (JPL). Use of the MER design has been provided to
              Cornell courtesy of NASA, JPL, and Caltech.
 
            Additional Animation & GraphicsMaas Digital LLC
 Anna Davis
 
            Mars VisualizationsKees Veenenbos
 
            Online Editor and ColoristMark Steele
 
            Audio MixJohn Jenkins
 
            Mars Images, Archive& Additional MER footage
 NASA
 Jet Propulsion Laboratory
 California Institute of Technology
 Kennedy Space Center
 Arizona State University
 Smithsonian Institution
 USGS
 
            Landing day footagecourtesy of NASA TV.
 
            Satellite Truck EngineersJoe Kittrell
 Mark Huss
 
            Location AssistantJuliane Crump
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            Special ThanksJim Rice
 Rossman Irwin
 Stephen Kulczycki
 Colleen Sharkey
 Matt Golombek
 Tim Parker
 Jennifer Harris Trosper
 Tom Shain
 
            For continuing coverage of Mars exploration, check out NPR's
              "Science Friday" at www.sciencefriday.com.
           
            NOVA Series GraphicsNational Ministry of Design
 
            NOVA ThemeMason Daring
 Martin Brody
 Michael Whalen
 
            Closed CaptioningThe Caption Center
 
            NOVA AdministratorQueene Coyne
 
            PublicityJonathan Renes
 Diane Buxton
 
            Senior ResearcherEthan Herberman
 
            Production CoordinatorLinda Callahan
 
            Unit ManagerLola Norman-Salako
 
            ParalegalsNancy Marshall
 Gabriel Cohen-Leadholm
 
            Legal CounselSusan Rosen Shishko
 
            Post Production AssistantPatrick Carey
 
            Associate Producer, Post ProductionNathan Gunner
 
            Post Production SupervisorRegina O'Toole
 
            Post Production EditorRebecca Nieto
 
            Post Production ManagerMaureen Barden Lynch
 
            Supervising ProducerStephen Sweigart
 
            Producer, Special ProjectsSusanne Simpson
 
            Coordinating ProducerLaurie Cahalane
 
            Senior Science EditorEvan Hadingham
 
            Senior Series ProducerMelanie Wallace
 
            Managing DirectorAlan Ritsko
 
            Senior Executive ProducerPaula S. Apsell
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