celtic cross

  1. Mick West

    Debunked: Celtic Cross on Mars [Impression from Screw Head on X-Ray Spectrometer]

    Source: http://mars.jpl.nasa.gov/mer/gallery/all/opportunity_m3720_text.html This image of a cross in a circle on the surface of Mars is real. It's from the Opportunity rover, Sol 3720. It's from the Microscopic Imager camera, so it's quite small. The most obvious clue is that it look like...
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