Air & Space Magazine Flow Features These “viscous flow features” on Mars, taken by the HiRISE camera, are likely made up of ice and dust, like glaciers on Earth. NASA/JPL-Caltech/Univ. of Arizona May 30, 2016 Get our newsletter! Get our newsletter! You Might Also Like The Rebirth of “America by Air” January 31, 2018 Mustang and Raptor at Dusk September 21, 2015 Found September 20, 2008 The Dream is Aloft December 16, 2009 The first thing we do, let’s kill all the lawyers* May 1, 2012 Get the latest stories in your inbox every weekday. Email Powered by Salesforce Marketing Cloud (Privacy Notice / Terms & Conditions)