Vast Universe and Silver-blood Demons

Many of the students had read Introduction to Cosmology before and had a basic understanding about the distribution of parallel worlds. They nodded in agreement.

But some of them didn't know much about the universe. Although they were aware of the existence of parallel worlds, they didn't understand why two worlds would collide.

Outside the Heaven's Origin Sector were boundless stars and an endless vacuum. Even the closest galaxy was thousands of light years away. They couldn't imagine how the collision took place.

Seeing the confusion in their faces, Mao Feng further explained, "Yes, from a three-dimensional point of view, all the different worlds are located in the same universe in their respective galaxies.

"The Heaven's Origin Sector is in one of the galaxies, while the Blood Demon Sector is in another.