The Sun plummeted below that invisible horizon; within minutes, it was night.
I looked into the darkness towards the north-east where the Tuamotus lay a hundred miles on the other side of the invisible horizon.
On the screen, the shuttlecraft became a bright pinpoint, then disappeared over the invisible horizon of the OtherVoid.
The night, the vast, impenetrable night, stretched beyond as far as the invisible horizon.
Blue met blue at a nearly invisible horizon.
Off above the invisible horizon, she saw other lights, dots of red and green, that were approaching like a brace of shooting stars.
Matthew turned back to the dark sea and scanned along the invisible horizon until his gaze swept past the accommodation block.
Pursing his lips, Sulu turned to look out at the violent ashfall, as if studying the invisible horizon would somehow give him the answer.
The weird eyes lit palely as he gazed beyond the tapestried walls to far, invisible horizons.
The dabs, applied at a slight angle, occupy three pairs of squares set far apart on an invisible horizon.