Troy: the mining world of Helios Beta
Troy was a small, metal-rich world of the star Helios Beta in the Cyrannus Star System, mined by Virgon and Leonis, whose settlement was wrecked when a protective dome collapsed. Sharon Valerii believed she grew up there.
Troy was a small planet in the Cyrannus Star System, the first planet of the star Helios Beta. It had an exceptionally rich metal composition, and from the founding of Virgon and Leonis it was extensively mined by both colonies. It was not one of the Twelve Colonies itself. (Battlestar Galactica: Map of the 12 Colonies)
Description and history#
The official map of the Twelve Colonies places Troy closest to Helios Beta, the sun it shares with Virgon and Leonis, and notes that both colonies had mined it heavily since their founding. (Battlestar Galactica: Map of the 12 Colonies)
Lieutenant Sharon Valerii believed she and her parents had lived on Troy, though as a Cylon sleeper agent her childhood memories were not her own. The settlement there suffered a disaster: a deleted scene from "Daybreak" explains that a protective dome over a city collapsed and set off a chain-reaction explosion, killing most of the people there. (Battlestar Galactica, "Kobol's Last Gleaming, Part II"; Battlestar Galactica, "Flesh and Bone"; "Daybreak" deleted scene)
Frequently asked questions
- What was Troy?
- Troy was a small, metal-rich planet in the Cyrannus Star System, the first planet of the star Helios Beta. It was home to a Colonial settlement but was not one of the Twelve Colonies.
- Who mined Troy?
- According to the official map of the Twelve Colonies, Troy was mined extensively by Virgon and Leonis from the time those colonies were founded.
- What happened to Troy's settlement?
- A deleted scene from "Daybreak" says a protective dome over a city collapsed and set off a chain-reaction explosion, killing most of the people there.
- Who was born on Troy?
- Lieutenant Sharon "Boomer" Valerii believed she and her parents had lived on Troy. As a Cylon sleeper agent, though, her memories of that childhood were not her own.
Sources
- BookBattlestar Galactica: Map of the 12 Colonies, Official map, Quantum Mechanix, made with Jane Espenson and Kevin Grazier
- EpisodeKobol's Last Gleaming, Part II, Season 1, Episode 13 (2005)
- EpisodeFlesh and Bone, Season 1, Episode 8 (2005)
- Serial"Daybreak" deleted scene, Battlestar Galactica, Season 4 deleted scene (2009)
Spotted a factual error or a primary source we missed? Email a correction. Every flagged claim gets reviewed.
Followed from this entry

Leonis: Heart of the Colonies
The largest world in Cyrannus and seat of an early empire, known for its wine, ski slopes and learning. The Cylon attack left it uninhabitable.

Virgon: the Imperial Colony
A temperate world of Helios Beta, second largest of the habitable colonies, known for its forests, its wealth and its capital, Boskirk.

Cyrannus: the Colonies' four suns
Four stars in a double binary, Helios Alpha through Delta, holding all Twelve Colonies. Refugees from Kobol settled them two thousand years back.

Sharon "Boomer" Valerii
Sharon "Boomer" Valerii was a Number Eight Humanoid Cylon planted within the Colonial Fleet as a sleeper agent. Awakening to her true nature drove her through betrayal and despair to become a tool of John Cavil, before a final act of redemption.
Also in Reimagined Series
The red moon: where Starbuck was shot down and flew a Raider home
The red moon is a lifeless, waterless world orbiting a gas giant many jumps from the Twelve Colonies. Weeks after the Fall, Kara Thrace ejected into its frozen carbon dioxide atmosphere, then got off it by gutting the Cylon Raider she had shot down and flying it back into space.

Aerilon
Aerilon was an agricultural world and one of the Twelve Colonies of Kobol. Known as the food basket of the Colonies, it was a poor, working-class farming world and the birthplace of Gaius Baltar.
Mentioned in4 entries
Leonis: Heart of the Colonies
The largest world in Cyrannus and seat of an early empire, known for its wine, ski slopes and learning. The Cylon attack left it uninhabitable.
Ouranos
Ouranos was a dense, mineral-rich asteroid belt in the Helios Beta system that separated its inner and outer worlds. Its resources made it a frequent point of conflict between rival colonies.
Twelve Colonies of Kobol
The United Colonies of Kobol, also called the Twelve Colonies of Kobol, was the interplanetary state that represented humanity from the Cylon War until its dissolution upon the settling of the second Earth.
Virgon: the Imperial Colony
A temperate world of Helios Beta, second largest of the habitable colonies, known for its forests, its wealth and its capital, Boskirk.
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