Spidery black objects on Mars surface raise speculation

Someone alert Ziggy Stardust, there appear to be spiders on Mars. Strange black objects seen from 200 miles above the surface of Mars are generating interest and speculation that the unidentified objects could be anything from geysers to sunbathing colonies of micro-organisms, Yahoo News reported. NPR presents several photos of the objects, including one taken by the Mars Reconnaissance Orbiter on January 27, 2010, that appears to show "little black flecks dotting the ridges, mostly on the sunny side, like sunbathing spiders sitting in rows". The objects were first spotted in 1998. Interestingly, they appear when the surface of Mars begins to warm, showing up in the same location most of the time. And then when the Martian winter approaches, they disappear with the same precise regularity. The images have been brought into greater detail by Michael Benson in his book Planetfall: New Solar System Visions. Most scientists, including teams from the US Geological Survey, Hungary and the European Space Agency, have their own theories, but the leading explanation is that the objects are geysers of CO2 exploding from underneath the planet's surface. "If you were there, you'd be standing on a slab of carbon dioxide ice," Phil Christensen of Arizona State University told NPR. " daily times monitor

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