tely enclose a star,

capture all its energy,

and deliver energy to where it is needed,

The position of the planet in the star system can be changed at will,

even use the planets for other purposes,

half an hour,

Doris looked at the transparent wooden rimless smart glasses, and said slowly:

tertiary civilization,

galaxy civilization,

simple life,

that can harness the energy that controls the entire galaxy,

This level of civilization is like a god-like existence to us,

They have unimaginable abilities within the limits allowed by the laws of physics,

It takes at least tens of thousands of years for humans to advance to this civilization.

is able to grasp the energy of the galaxy in which it is located,

Hundreds of billions of stars throughout the galaxy,

and their planets,

even the energy of a black hole,

able to travel freely between different planets,

For example, it can travel between 1 to 200 million light-years of the local supercluster at will,

half an hour,

Nina looked at the transparent wooden rimless smart glasses,

Say slowly:

Fourth level civilization,