Light hour
One light hour was the distance that light traveled in one Earth hour.

In 2346, the  was 42.7 light hours from Khitomer when the starship made its first sensor contact of the planet. ( display graphic)

In 2367, Lieutenant Commander Data reported that there was an M-class planet approximately three light hours from the position of the  at that time. ()

See also
Light day
Light year

External link
 

Measurements
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