Did NASA Try to Hide This Incredible Mars Object?

A bizarre object, has been photographed on the red planet, by the mars curiosity rover. The anomaly, which appears to have been deliberately blurred, has a defined geometric design, and is clearly not a rock. But why is it blurry and look airbrushed? Is NASA trying to hide anything?
Raw source of images here: http://mars.jpl.nasa.gov/
Other source of raw images: gigapan.com

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