Click here if you are having trouble logging into the forums Cloudy Nights - Official Forums of the 2009 International Year of Astronomy Privacy Policy | Please read our Terms of Service | Signup and Troubleshooting FAQ | Problems? PM a Red or a Green Gu.... uh, User   You are not logged in. [Login] Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar Other >> Science of Astronomy & Space exploration Previous   Index   Next   Flat   LadyAstronomer Bookworm Reged: 11/15/07 Posts: 3007 Loc: Library of Congress Mars polygonal ground       06/03/08 09:46 AM Edit   Reply   Quote   Quick Reply:   Sometime last week I posted an image of polygonal ground taken by Phoenix -- I can't for the life of me remember where. Anyway... NASA's Earth Observatory website has produced a nice page that explains polygonal ground and includes a wide-field view of Mars taken by Phoenix as well as an image of related terrain on Earth. Permafrost on Mars and Earth Mars Polygonal Ground Close Up One more -------------------- "Grown-ups never understand anything for themselves, and it is tiresome for children to be always and forever explaining things to them." -- Antoine de Saint-Exupéry, The Little Prince Post Extras       Entire thread Subject Posted by Posted on Mars polygonal ground LadyAstronomer 06/03/08 09:46 AM Re: Mars polygonal ground Rick Woods   06/03/08 10:01 AM Re: Mars polygonal ground gazerjim   06/04/08 01:20 AM Extra information 2 registered and 0 anonymous users are browsing this forum. Moderator:  llanitedave  Forum Permissions       You cannot start new topics       You cannot reply to topics       HTML is disabled       UBBCode is enabled Rating: Thread views: 160 Jump to *International Year of Astronomy 2009* -----   Global Coordination   Cornerstone Projects   Special Projects   Special Task Groups   Global Activities   National and Regional Activities   IYA 2009 in Africa   IYA 2009 in the USA*Announcements and News* -----   Cloudy Nights Announcements   Discussion of CN Articles, Reviews, and Reports   Beginners Forum   Celestial Events   Light Pollution*Equipment Discussions* -----   ATM, Optics and DIY Forum   Binoculars   Binoviewers   Cats & Casses   Classic Telescopes   Equipment   Eyepieces   Mounts   Observatories   Reflectors   Refractors    Celestron SkyScout and Meade mySky   Video and Electronically Assisted Astronomy*Astrophotography and Sketching* -----   Beginning Imaging   Film Astrophotography   DSLR & Digital Camera Astro Imaging & Processing   CCD Imaging & Processing   Solar System Imaging & Processing   Sketching   Astro Imaging/Sketching Contest *Observing* -----   General Observing   Planetary and Solar System Observing   Lunar Observing   Deep Sky Observing   Double Star Observing   Solar   Variable Star Observing and Radio Astronomy*Telescope Specific Forums* -----   Celestron NexStar    NexStar GPS / CPC Telescopes   Questar Forum   Meade ACF/RCX / LX / GPS    Meade ETX*Other* -----   Science of Astronomy & Space exploration   AstroWebsites   Space Rocks*Speciality Forums* -----   AstroArt   Astronomy Software & Computers   Stellar Media   Astro Outreach, Clubs and Star Parties*CN Feedback and Vendor Announcements* -----   Vendor and Group Announcements CN Forums Home

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