The "<a href="https://en.wikipedia.org/wiki/Oh-My-God_particle" id="mwxA" rel="mw:WikiLink" title="Oh-My-God particle">Oh-My-God particle</a>", an <a href="https://en.wikipedia.org/wiki/Ultra-high-energy_cosmic_ray" id="mwxQ" rel="mw:WikiLink" title="Ultra-high-energy cosmic ray">ultra-high-energy cosmic ray</a> measured at 40,000,000 times that of the highest energy protons produced in a <a href="https://en.wikipedia.org/wiki/Particle_accelerator" id="mwxg" rel="mw:WikiLink" title="Particle accelerator">particle accelerator</a>, is observed at the <a href="https://en.wikipedia.org/wiki/University_of_Utah" id="mwxw" rel="mw:WikiLink" title="University of Utah">University of Utah</a> <a href="https://en.wikipedia.org/wiki/High_Resolution_Fly's_Eye_Cosmic_Ray_Detector" id="mwyA" rel="mw:WikiLink" title="High Resolution Fly's Eye Cosmic Ray Detector">HiRes</a> observatory in <a href="https://en.wikipedia.org/wiki/Dugway_Proving_Ground" id="mwyQ" rel="mw:WikiLink" title="Dugway Proving Ground">Dugway Proving Ground</a>, <a href="https://en.wikipedia.org/wiki/Utah" id="mwyg" rel="mw:WikiLink" title="Utah">Utah</a>.