Protoplanetary mass was a type of matter that could be found in certain nebulae.
In late 2371, the USS Ulysses was assigned to study protoplanetary masses in the Helaspont Nebula. (DS9: "The Adversary")
Protoplanetary mass was a type of matter that could be found in certain nebulae.
In late 2371, the USS Ulysses was assigned to study protoplanetary masses in the Helaspont Nebula. (DS9: "The Adversary")