Planet Four: Terrains – Gemini Observatory http://www.gemini.edu/blog Exploring the Universe, Sharing its Wonders Fri, 11 Oct 2019 15:00:44 +0000 en-US hourly 1 https://wordpress.org/?v=4.7.21 “Spiders” on Mars http://www.gemini.edu/blog/blog/2016/11/15/spiders-on-mars/ Tue, 15 Nov 2016 19:00:41 +0000 http://www.gemini.edu/blog/?p=2395 “Spiders” on Mars The South Pole of Mars is a strange and wonderful place. Many of its surface features are sculpted by the never-ending cycle of freezing and thawing of exposed carbon dioxide ice and subsurface water ice. These features includes “spiders” (radially organized channels carved in the surface), pitted sheets of carbon dioxide gas […]

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