Image of the Day - 2
Huge Grid Structures / Mount Sharp / Gale Crater / Mars
Images from the orbiting MRO spacecraft show that once the surface of Mount Sharp is eroded down to a certain level huge grid structures are exposed. NASA geologists have suggested that these are “cemented fractures”. However, a Google image search suggests that the grids on Mount Sharp may be up to 100 times larger than typical cemented fractures on Earth. Richard Hoagland suggests the grids are the “fossilised” support structures of an artificial arcology that was crushed by thousands of feet of sediment that flowed into Gale Crater eons ago (according to the geologists). The first image below is an annotated one prepared by NASA. The blue star indicates that this is a location that they would like the nearby Curiosity Rover to visit. For those used to the “old money” the 50 metre ruler is the same as 164 feet. The other images show grids at other locations on Mount Sharp at lower levels of resolution than the first. For the closest looking thing to these grids on Earth click this 'stargate' µµµ
As always with these outsized images the reader is advised to use the "View" then "Full Screen" options from the menu bar at the top of their browser screens to see more of the image clearly.
Alternatively, press the F11 key to enter the Full Screen mode, and then F11 again to return to the normal view.
For advice on zooming into or out off the images click here µµµ
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