The Bassen Rift is an area of space between Romulus and the Romulan Neutral Zone, in the galaxy's Beta Quadrant. A dense nebula field with many greenish-hued cloud formations, passage through the rift disrupts subspace communications. (STO video game: Star Trek Online)


In 2379, the Bassen Rift was the location of a major conflict between the USS Enterprise-E, against the Reman warbird Scimitar, which was commanded by Shinzon. (TNG movie & novelization: Star Trek: Nemesis)

Thirty years after the battle the area continues to be irradiated with traces of thalaron radiation left over from the Scimitar's destruction. (STO video game: Star Trek Online)



Iota Pavonis sector block
bordered locations: Iota PavonisAlpha Centauri sector blockFederation-Romulan Neutral ZoneEridan Belt
sector Z-6 Fvillhaih system (Fvillhaih IFvillhaih II) • Lirss system (Lirss Prime) • Vhoran system (Vhoran)
Iconia system Iconia IIconia (Iconia's inner moonIconia's outer moon)
Tarod sector
Romulan sector/sector 30
Dimorus system (DimorusDimorus IIDimorus II-A) • Great Bloom/Bassen RiftK'shan system (K'shan) • Lonco system • Sarita system (Sarita III)
Romulus system Eisn/Romulus B: I. Aranusia • IIA/B. Romulus/Remus • III. S'latas • IV. D'lanam • V. Ulunam • VI. Trijth
Bolarus sector
Bolian/Tango sector
Breshar system • Ch'menira system • Llaiir system • NGC 1218Ponor systemRashana system • system Y
Bolarus system I. Se'ka • II. Krith • III. Bol'turFirst Bolarus asteroid belt • IV. Harmar • V. Bolin • VI. Tha'lat • VII. Ral'narSecond Bolarus asteroid belt • VIII. Sol'nar • IX. Bolarus IX • X. Motal • XI. Sernar • XII. Sath • XIII. Ki'siu
Devron sector Aihai system • Cero system • Delta Corvi system • Devron system • Fitzan system • Hobus system

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