Borgolis Nebula
The Borgolis Nebula was an interstellar gas cloud with some unusual radioactive emissions. 

The nebula was investigated by the crew of the  in 2369. Jean-Luc Picard felt that stellar sciences would find the nebula "a most interesting study". William T. Riker confirmed his statement by noting that Nella Daren had already asked for extra time on the main sensor array. ()

de:Borgolis-Nebel
es:Borgolis
ja:ボーゴリス星雲
Nebulae