Comments on: Pits formed from sublimating underground ice on Mars? https://behindtheblack.com/behind-the-black/points-of-information/pits-formed-from-sublimating-underground-ice-on-mars/ Fri, 14 Feb 2025 15:33:00 +0000 hourly 1 https://wordpress.org/?v=6.9.4 By: Robert Zimmerman https://behindtheblack.com/behind-the-black/points-of-information/pits-formed-from-sublimating-underground-ice-on-mars/#comment-1554265 Fri, 14 Feb 2025 15:33:00 +0000 https://behindtheblack.com/?p=112130#comment-1554265 In reply to Mark Sizer.

Mark Sizer: It is merely an optical illusion if the pits look like hills to you. The sun is coming from the left, or west. Those are definitely pits. If you click on the full image I think the illusion will go away.

]]> By: Mark Sizer https://behindtheblack.com/behind-the-black/points-of-information/pits-formed-from-sublimating-underground-ice-on-mars/#comment-1554254 Fri, 14 Feb 2025 14:28:16 +0000 https://behindtheblack.com/?p=112130#comment-1554254 How can one tell that is a pit, not a hill? Sun angle? To me, it looks like a hill with the right side illuminated by the sun on right. If it’s a pit, wouldn’t that mean that the right side is illuminated by the sun on the left?

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