Chris McKitterick (mckitterick) wrote,
Chris McKitterick

Astro-image of the day: The Spiders on Mars

Turns out that Ziggy had it right (sort of). Check out these amazing Martian features:

Click the image to see the story.

Sorry, these aren't huge Martians; they're surface features created by carbon-dioxide ice turning to gas below the surface. Unlike water-ice, when warmed by Spring sunshine on the dust above, C02 ice goes straight to gas, forming these amazing patterns as it bursts through the soil. The official NASA designation for these is "cryptic features," but popular names include "lace, lizard-skin, fans, and spiders."

Tags: astronomy

  • Post a new comment


    default userpic

    Your reply will be screened

    Your IP address will be recorded 

    When you submit the form an invisible reCAPTCHA check will be performed.
    You must follow the Privacy Policy and Google Terms of use.