File this under: optical illusions. You might see two astronauts standing on the moon, with Earth in the background, at first glance, but spend a few minutes looking at this image, and you’ll see that the objects form a creepy skull (or Futurama’s Zoidberg). Click here to view the first image in today’s viral picture gallery. Continue reading for a video showing how people react when they ride in a very fast car for the first time.