Towering dust devils discovered on Mars. From: Science News | Date: March 30, 1985| Author: | COPYRIGHT 1985 Science Service, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information) Copyright information

The most drought-ridden wastes of sub-Saharan Africa are almost verdant compared with the planet Mars, which was completely hiddne from view by a global dust storm when the U.S. Mariner 9 spacecraft arrived there in 1971. Decades before that, astronomers had noted surface changes -- so vast as to be visible all the way from earth -- that have since been attributed to redistribution of dust by the Martian winds.

Now two researchers report yet another Martian dust spectacular. Not unexpected, it nonetheless dwarfs its terrestrial counterpart: "dust devils," swirling, ...

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