What space probes are there in the world? What are their uses?

Space probes are used for human exploration and research of deep space. First of all, we should make use of the advantages of space technology to understand and understand the space environment of the sun and the earth more comprehensively, such as investigating the effects of high-altitude radiation belts, cosmic rays and solar wind on the earth's ecology; Secondly, develop solar system resources, establish permanent space bases on the moon and Mars, and even create conditions for emigration to these extraterrestrial planets; Thirdly, through the study of the formation of big planets, we can investigate the history of the formation of the earth, explore the origin of life, discover more new celestial bodies, uncover the mystery of the evolution of the universe, and look for traces of cosmic people. Since the first lunar probe went into space for more than 30 years, human beings have made extensive investigations on various celestial bodies in the solar system in a planned and step-by-step manner, obtained extremely rich and valuable information, deepened people's understanding of the space of the solar system, and even changed the old ideas established for a long time in the past, creating conditions for further conquest of the solar system.

& ltbr & gt In short, through the probe's visit, most astronomical phenomena have been answered one after another, and new discoveries have been made constantly, showing a brand-new side of the solar system in front of people.