In the Technological Future, I Am Running Around the Universe

In the future, science and technology will be super developed, and several stars not far from the earth will be utilized. It is said that the largest flying car and spacecraft factory will be built on Mars. The garbage on the earth is transported to Venus, where it is sorted and processed by robots, and the useful ones are transported to other planets for recycling and processing. Dispose of the useless ones on the spot, um, how should I put it? You can also find some useful parts. Yan Yue and her nanny robot Xiaohua found various materials in the garbage dump and built a simple spaceship. They took this spaceship to find the robot Qi, and then together they went to find what Yan Yue's father left on a certain planet...