A rover sent to Mars detected light on the Red Planet
Curiosity, a rover sent to Mars in 2011, set out to answer the question of whether the Red Planet could have the necessary environmental conditions to support small life forms. When it reached its destination, nearly a year after it was launched, it took multiple pictures of Mars’ surface.

The pictures were published by NASA, and one of them struck people as a little odd. In the background of the valley, it looks as if a light is being emitted. As you can imagine, nobody knows where it came from or what produced this Earth-like sight on a far-away planet.