The semi-organized resistance flees to the abandoned farm, where multiple people touch the strange object and experience visions. They not only conclude that the device was put in place by extraterrestrial "leatherheads '' (so named for their appearance), but that specifically they are juveniles who have set up the Dome as a cruel form of entertainment, a sort of ant farm used to capture sentient beings and allow their captors to view everything that happens to them.
where does the dome come from in under the dome
put in place by extraterrestrial "leatherheads ''