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When Li Xinyuan woke up, he found that he had time-traveled to a parallel time and space similar to ancient China, and became a newborn baby. The good news is that there is a technology tree in his body, but the bad news is that he does not have enough mental power to open it. Let's see how he competes with the aristocratic family, confronts the officials, fights with the emperor, sings and dances with the people at dawn, and builds his own immortal empire.

What would you do if you encountered the gravitational pull of a neutron star? Niu Xing: Don't panic, I have skin. My skin can resist the gravity of a black hole. What is a small neutron star? What would you do if you encountered an alien civilization and it wanted to capture you and slice it up for study? Niu Xing: Don't worry, I have skin, they may not be able to break my defense! When the Ox star encounters a supernova explosion, will he speed up and escape, or will he watch quietly? It's all in the Space Travel Guide. PS: Due to some reasons, new chapters of the last book could not be released. In fact, only three chapters were released. I will continue to release the new chapter.