The Sphere Builders are aliens from another dimension in the fictional estrella Trek universe. They are bent on conquering the galaxy por reconfiguring the fabric of el espacio to make it más hospitable to them using specially designed moon-sized spheres. They were first seen in the 2004 estrella Trek: Enterprise episode "Harbinger". Their technology is responsible for the creation of a region of el espacio 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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