The Sphere Builders are aliens from another dimension in the fictional nyota Trek universe. They are bent on conquering the galaxy kwa reconfiguring the fabric of space to make it zaidi hospitable to them using specially designed moon-sized spheres. They were first seen in the 2004 nyota Trek: Enterprise episode "Harbinger". Their technology is responsible for the creation of a region of space known as the Delphic Expanse, where the physical laws of our universe often break down. The Expanse is extremely hostile to residents of our dimension, and those that enter have great difficulty in leaving....
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