Temporal observation
Temporal observation was the act of viewing a non-native historical period. Various methods were employed by anthropologists, historians, and law enforcement personnel.

Historical imagery of the Human, Vulcan, and Orion civilizations was displayed by the Guardian of Forever. (; )

In 2268, the starship  traveled back in time to 1968 for historical research. ()

28th century scientists observed the construction of the Great Pyramid at Giza. ()

In the 31st century,  owned a hand-held Temporal Observatory. ()
Time travel
Skills