C573 Alien Star Civilization Spaceship

In the boundless starry sky.

A triangular-shaped spaceship was traveling at a speed faster than light.

It was traveling at a high speed in the sub dimension.

This spaceship had a clear shape that was in accordance with the laws of mathematics.

The length of each side was exactly one hundred meters, and the height was one-fifth of the length.

The metal that formed the triangular spaceship