Chapter 3: 10-Year Reunion_2

Therefore, strengthening the Moon's defenses was imperative.

Scientists, utilizing the supercomputer matrix of the space ring and a large group of military engineers, including Lin An, argued vehemently for a month before finally confirming the structure of humanity's mothership.

A metal sphere with a diameter of 3,900 kilometers and a thickness of 150 kilometers was to be constructed outside the Moon. It was designed with three forms: the first being the navigation and protection form. This metal sphere would completely envelope the Moon, supplying it with power while also featuring an energy shield. The thickness of this shield would be sufficient to withstand all known large-scale weapons of a Third Level Cosmic Civilization. As long as there was enough internal energy, such a shield, with its level and magnitude, would be virtually indestructible.

Extrapolated data suggested that an energy shield of this scale could even block a helium flash from a star!