Pearls of Ursa: An Expansion for Orion's Gate

"He wrought the earth, the heavens, and the sea; the moon also at her full and the untiring sun, with all the signs that glorify the face of heaven- [...] the Bear, which men also call the Wain and which turns round ever in one place, facing Orion, and alone never dips into the stream of Oceanus."
-The Illiad, Book XVIII

The battle over Orion's Gate has spread to the star cluster known as the Pearls of Ursa. New and terrible weapons and technology have been developed and unleashed, and a te