Retrocognition, or postcognition, is the ability to look into the past. Information is transferred from an event or object in the past to a person in the present with retrocognitive abilities. Current science is unable to determine the precise means of informational transference.
The term "retrocognition" was invented by Frederic William Henry Myers, who lived from 1843 to 1901, and was the lead founder of the Society for Psychical Research.
Retrocognition can also come in many different forms, one being able to see moments though people's eyes in the past or before they died. It can also come in the form off seeing how something unexplained actually happened, like seeing the moments on one of the planes before it hit the twin towers in 9/11. Retrocognition is the opposite of Precognition (which is to see the future), however, in cases of a person having retrocognition, sometimes you can have both Retrocognition and Precognition. Yet this is very rare.