Comments on: Grand Canyon of Mars https://briankoberlein.com/2015/02/01/grand-canyon-mars/ Brian Koberlein Fri, 22 Feb 2019 18:22:15 +0000 hourly 1 https://wordpress.org/?v=5.1 By: Robert Crowley https://briankoberlein.com/2015/02/01/grand-canyon-mars/#comment-5249 Sun, 30 Apr 2017 19:43:59 +0000 https://briankoberlein.com/?p=4444#comment-5249 I’m still occasionally taken aback by the speed at which hydrological processes can drastically alter the surface of the planet. Just look at the Channelled Scablands in Washington State. The sudden breach of a glacial ice dam, and huge swaths of land are scoured in a matter of weeks. And as recently as 13,000 years ago.

]]> By: Brian Koberlein https://briankoberlein.com/2015/02/01/grand-canyon-mars/#comment-1909 Tue, 10 Feb 2015 20:23:44 +0000 https://briankoberlein.com/?p=4444#comment-1909 Actually, it is the Grand Canyon that was formed 60-70 million years ago.

]]> By: Arturo Gutierrez https://briankoberlein.com/2015/02/01/grand-canyon-mars/#comment-1908 Tue, 10 Feb 2015 15:59:46 +0000 https://briankoberlein.com/?p=4444#comment-1908 60 – 70 million years ago? So Valles Marineris was forming around the last age of the dinosaurs?

That’s incredibly… recent… isn’t it? How is it that Mars was experiencing such geological activity that recently? I was under the impression that Mars is geologically dead by now.

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