Seeking a science fiction novel

It was a book that he had read a long time ago. There were several science fiction novels in it, including I, Robot. There were also a few other novels that were collected inside. There was one that I don't know the name of-it was about a group of people who were trapped in a cave. Each of them only had seven days to live, and they grew older and older day by day. However, there was a group of humans called scientists who were unwilling to accept this fate. They desperately developed a spaceship in hopes of getting out of this place, but they failed every time because they could only live for seven days. In the end, a scientist succeeded. He piloted the spaceship and escaped. It was a medium-length or full-length science fiction novel. Please tell me the name of the novel,
It wasn't Star Trek. I still remember some scenes. It was about the seasons changing quickly, the sun being very poisonous, people could only stay in caves, and if they were under the sun, they would be melted by the sun's radiation.

Answer 1

The humans on Earth with the technology of the future had already mastered the ability to travel through time and explore space. The protagonist of the story was a young scientist who invented a new time machine that could travel to a certain moment in the past or future. By using this machine, he could meet with historical figures and help them solve some problems.

In this future Earth, humans will face many challenges, including environmental destruction, resource scarcity, and global war. The protagonist and his friends began to explore the planet and try to find a solution to these problems. They cooperated with other humans to solve a series of problems and gradually established a more peaceful and harmonious world.

This novel had profound philosophical thinking and explored the fate of mankind and the direction of future development. At the same time, there are many thrilling plots and exciting battle scenes that give you a strong sci-fi atmosphere.