UFO (2018) Timeline Explained – Every Event in Order

Derek analyzed the electromagnetic interference from the UFO sighting at Cincinnati International Airport. By breaking the signal into 14-digit chunks, he recognized the fine-structure constant, a fundamental physical constant that governs electromagnetic interactions. This discovery suggested the signal was intentionally encoded rather than random noise, representing a deliberate attempt at communication using universal mathematics.

• fine-structure constant
• signal decoding
• mathematics
• interference

The fine-structure constant is a fundamental physical constant that governs electromagnetic interactions and the structure of atoms. It's approximately 1/137 and remains constant throughout the universe, making it a perfect candidate for a universal language. Any technologically advanced civilization would understand this constant, making it an ideal starting point for establishing common ground in interstellar communication.

• fine-structure constant
• universal language
• physics
• communication
• constants

After Derek began analyzing the interference signal, an unexplained executable file appeared on his computer. The program prompted him to reformat the interference data into binary code, essentially translating the raw signal into a format he could work with. This mysterious tool accelerated his decryption efforts, though its origin, whether from the UFO operators, the FBI, or another source, remains unclear.

Foreshadowing: The executable's appearance hints that someone is actively helping or manipulating Derek's investigation.

• executable
• computer
• binary code
• signal processing
• mysterious file

During a lecture on eigenvalues and eigenvectors, Dr. Hendricks identified the missing unit of measurement as 21 centimeters, the wavelength of neutral hydrogen, known as the hydrogen line in radio astronomy. This discovery completed the mathematical framework needed to translate the message, allowing Derek to extract coordinates from the encoded signal. Neutral hydrogen is the most abundant element in the universe, making it a universal standard that any advanced civilization would recognize.

• 21 cm
• hydrogen line
• eigenvalues
• coordinates
• Dr. Hendricks
• measurement

Franklin Ahls is a senior official leading the FBI's clandestine Committee on Aerial Phenomena, operating in Ohio with a team of scientists to monitor and analyze the UFO incident. He represents the government's interest in both covering up and understanding the extraterrestrial contact. Ahls acknowledges the message originates from at least a Type 1 civilization, one capable of harnessing planetary energy, which positions the senders as technologically superior to humanity.

• Franklin Ahls
• FBI
• Committee on Aerial Phenomena
• cover-up
• government

Ahls references the Kardashev scale, which classifies civilizations based on their energy consumption. A Type 1 civilization can harness all the energy available on its home planet, roughly equivalent to the total solar energy reaching Earth. This means the extraterrestrial senders are at least as technologically advanced as humanity, if not more, and capable of interstellar communication and potentially travel.

• Kardashev scale
• Type 1 civilization
• technology
• energy
• classification

Using Lee's car, Derek drove to the coordinates derived from the decoded message and managed to briefly observe the UFO. The craft emitted another signal before vanishing again. Following this sighting, armed operatives detained him briefly before transferring him to the custody of FBI official Franklin Ahls, who confirmed the message's extraterrestrial origins and discussed its implications.

• coordinates
• UFO sighting
• detention
• Lee's car
• Ahls

Derek's relentless pursuit of the truth consumed increasing amounts of his time and attention, pulling him away from his friends Lee and Natalie. As he spent more time analyzing signals and less time engaging with everyday life, his relationships suffered from his emotional distance and neglect. His friends grew concerned about his health and safety, but their warnings went unheeded as the mystery deepened.

• Lee
• Natalie
• friendships
• obsession
• strain
• college life

Ahls reveals that the new message contains 3D coordinates pointing to the extraterrestrials' location and proposes recruiting Derek to help refine the fine-structure constant calculation to ensure the coordinates are precise enough to locate the visitors in space. He also delivers the hopeful revelation that humanity is not alone in the universe. The film ends with Derek considering whether to join this clandestine effort, leaving his decision unresolved.

• recruitment
• coordinates
• FBI
• decision
• collaboration
• first contact

The UFO briefly appeared over Cincinnati International Airport in 2017, causing electromagnetic interference that disrupted the ATC broadcast. This location was chosen deliberately, the craft emitted a signal that could be detected and analyzed, suggesting the appearance was less an accident than an intentional communication attempt. The interference pattern contained the encoded mathematical message Derek would later decrypt.

• airport
• UFO sighting
• electromagnetic interference
• Cincinnati
• ATC broadcast

Derek's childhood memory of witnessing a UFO fuels his obsessive investigation into the Cincinnati incident. This earlier experience planted the seeds of his conviction that Earth has been visited before, driving his relentless pursuit to prove the truth behind aerial phenomena. The childhood sighting serves as the emotional anchor that makes the adult investigation personal rather than purely academic.

• childhood
• memory
• motivation
• past sighting
• obsession