text: In the passage, Garvin says, "'As a rule of thumb, you can discern things in a digital image 3 times bigger than the pixel size,' he added. 'So, if there were objects in the picture like airplanes on the gorund or Egyptian-style pyramids or even small shacks, you could see what they were!'" This shows that even when people from NASA zoomed in on the face to get a better look at it, they couldn't find any sign of alien life which means that there is a very low possibility that there are aliens that could've done this.