Outer Arm Four
An arm of the Milky Way Galaxy almost directly on the other side of the Galaxy from the arm that contains Earth: a subsection of the larger Scutum Arm. See also Alaalu. (WH)
An arm of the Milky Way Galaxy almost directly on the other side of the Galaxy from the arm that contains Earth: a subsection of the larger Scutum Arm. See also Alaalu. (WH)