| Name | Description | 
  
    | Bannon's Nebula [1] | Bannon's Nebula consisted of large quantities of Deuterium. A heavier form of Hydrogen containing a proton and neutron in its core. [1] | 
  
    | Bassen Rift [2] | An area near the Romulan neutral zone. Long range communications were impossible within the rift, which prompted Shinzon to use it as a site to attack the Enterprise-E in 2379. [2] | 
  
    | Betreka Nebula [3] | A nebula which was the site of the 18 year long Betreka Nebula Incident, in which Klingon and Cardassian forces clashed. [3] | 
  
    | Borgolis Nebula [4] | A nebula investigated by the Enterprise-D in 2369 because of the unusual radioactive emissions which it produced. [4] |