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For information on Earth from other series, see: Earth.
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Earth is believed to be the home of the lost Thirteenth Tribe in the Original Series.
As told in the Book of the Word, the lost Thirteenth Tribe settles the planet Earth, following its exodus from Kobol from an environmental cataclysm that also caused the Exodus of the Twelve Tribes. As the Thirteenth Tribe left opposite the other Twelve Tribes, the information of their destination resided in the tomb of the Ninth Lord of Kobol, but could not be recovered before Lucifer's attack (TOS: "Lost Planet of the Gods").
Indications of Earth[edit]

The coordinates for Earth are implanted in the minds of Apollo, Sheba, and Starbuck during their encounter with the Beings of Light, and is recalled during their conversation with Commander Adama about what transpired with Count Iblis on the red planet. "Earth quadrant alpha, 19 million sectars by Epsilon vector 22 on a circular reckoning course of 000.9, in a star system with nine planets and one sun." (TOS: "War of the Gods, Part II"). This correlates with a rudimentary diagram of a solar system Starbuck earlier discovers in a Proteus cell where an enigmatic drifter known only as "The Silent One" formerly resided (TOS: "The Long Patrol").
As the Fleet proceeds further from its home galaxy, they begin encountering settlements that are not lost remnants of Colonial settlement. Notably, they discover humans who have no direct connection to the Twelve Colonies, in the form of Terra (TOS: "The Long Patrol", "Greetings From Earth", "Experiment in Terra").
As they leave Terra behind, transmissions on an obsolete gamma frequency—the Apollo Moon Landing—are intercepted and recorded by Apollo in the celestial chamber. Further analysis of the recording proves impossible as the only copy of the transmission is destroyed in an attack on a Cylon basestar. Using a gamma frequency booster made by Boomer, Apollo installs it into the chamber's communication hardware, allowing for the clear receipt of their first transmission from Earth... unbeknownst to them (TOS: "The Hand of God").
Related Media[edit]
Notes[edit]
- Due to the discovery of several planets possibly inhabited by humans of the Thirteenth Tribe, especially Terra and the Eastern Alliance, it may be assumed that Earth is very advanced in terms of technology, and could be more than a match for the Cylons. This presumes that Earth's technology did not regress at some later date.
- These planets may be inhabited by humans left behind by the Thirteenth Tribe on the trek to Earth (if not migrated and forgotten members of other Colonial habitations), and as such give no real insight as to Earth's status. The transmission of the Apollo 11 landing (which, barring other non-Einsteinian means, would travel at light-speed) could be used to define the distance between the Fleet and Earth.
- The events of Galactica 1980, set 30 years after the events in "The Hand of God" and recorded as its own divergent continuity, contradict this.