An astronomical unit (most often abbreviated AU) is a distance measurement defined as the average distance of Earth from Sol. The currently accepted value of the AU is 149,597,870,691 ± 30 meters (about 150 million kilometers or 93 million miles).

ReferencesEdit

• TOS movie & novelization: Star Trek: The Motion Picture
• TOS novels: Spock Must Die!, The Final Nexus
• FASA RPG module: The Four Years War

External linksEdit

• Astronomical unit article at Memory Alpha, the wiki for canon Star Trek.
• Astronomical unit article at Wikipedia, the free encyclopedia.