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A Light in the Distance

A speck of light, which turned out to be a visual artifact created by a cosmic ray.
A speck of light, which turned out to be a visual artifact created by a cosmic ray. Image: (NASA/JPL-Caltech/Gizmodo)

In 2016, Curiosity took a sweet photo of the Kimberley Waypoint in Gale Crater, but a number of people noticed a strange light off in the distance, prompting outlandish theories, such as an alien civilization living beneath the surface. In reality, the speck of light was likely caused by a cosmic ray, which created a visual artifact on the photograph. Personally, I’d like to think it’s Marvin the Martian enjoying some s’mores around the campfire. As to how Marvin managed to start a fire in this oxygen-starved environment, I’ll leave you to figure that out.