C339 Universe Knowledge

"10 trillion kilometers is equivalent to a 1-star. Damn, the distance unit in the universe is really terrifying."

"Of course, how can a weakling like you know how far a 1-star is? To put it bluntly, your planet is just an aboriginal civilization, and you won't even know the concept of a 1-star in your entire life."

The system explained the basic knowledge of the universe to Pei Yu