text: Now that we got that out of the way, Why would people think that the face was created by aliens? There was not much evidence that the aliens were the ones that created the face. People can not just go around saying that aliens caused the face to happen, Because there was very little proof that it caused by aliens. Garvin also said, "It reminds him of Middle Buttle in the Snake River Plain of Idaho." In paragraph 12. And in paragraph 7 it also says that there was no alien momentum after all.