Light-hour

A Light-hour or lighthour is a unit of measurement of length.

• It is an astrographic scale measurement.
• It is a standard Imperial metric.

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Please refer to the following AAB Library Data for more information:
Starship:

• Speed of Travel

• NAFAL (STL) - (Not As Fast As Light) / (Slower Than Light)
• Light Speed (c)
• FTL - (Faster Than Light) - "Superluminal"

• Astronomical Unit (AU)

» Imperial Standard Astronomical Unit

• Light-second (ls)
• Light-minute (lm)
• Light-hour (lh)
• Light-day (ld)
• Light-week (lw)
• Light-year (ly)
• Parsec (pc)

» Solomani Parsec

» Vilani Parsec ("Deshi")

» Imperial Standard Parsec

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Description (Specifications)

A light-hour is specifically the distance light travels in a vacuum over a period of one hour.

• The common abbreviation is lh.

One (Imperial) light-hour is equal to:

1. About 1.079×10⁹ kilometers
2. About 7.2144 astronomical units
3. About 3.49762×10^-5 parsecs

It is based on the standard Imperial hour.

History & Background (Dossier)

• The light-hour is often used to measure distances between worlds within systems, especially in reference to distance relative to communication and/or sensor lag.
• The preferred unit of general measurement for such distances is the astronomical unit (AU).

References & Contributors (Sources)

This page uses content from Wikipedia. The original article was at Light-second#Use_in_astronomy. The list of authors can be seen in the page history. The text of Wikipedia is available under the Commons Attribution-ShareAlike 3.0 Unported License.

This list of sources was used by the Traveller Wiki Editorial Team and individual contributors to compose this article. Copyrighted material is used under license from Mongoose Publishing or by permission of the author. The page history lists all of the contributions.

• Wikipedia Table - Lighthour
• Contributor: WHULorigan