Lanthanides are a series of elements, such as gadolinium, cerium, neodymium and samarium.
The Crystalline Entity left lanthanides, elevated levels of bitrious matter, hydrocarbons, and nitrates in its path. (TNG: "Silicon Avatar")
Lanthanides are a series of elements, such as gadolinium, cerium, neodymium and samarium.
The Crystalline Entity left lanthanides, elevated levels of bitrious matter, hydrocarbons, and nitrates in its path. (TNG: "Silicon Avatar")