THUMP!
As the blue-green ore vein properties panel appeared, Su Mo immediately began to observe it attentively.
Compared to the game's brief introduction, the Description appraised by the system was extremely detailed and even involved the definition of civilization Level.
"Is this Kardashev's theory?" he thought.
After fully reading the sentences in the Description and deliberating slightly, a wisp of thought drifted into Su Mo's mind.
According to the theory of this Soviet astrophysicist, along with additions from later generations, civilization Levels were temporarily divided into seven tiers.
Among them, Type 0 was the lowest. Such a civilization could only harness natural resources on their planet, like coal, oil, natural gas, and wood, to obtain Energy.
Type 0 belonged to the infant stage in the civilization Level, only able to crawl and unable to walk, much like a civilization imprisoned on its mother planet.
