It is more difficult to take the astronomy major. Kaobo needs to meet a series of conditions, such as English proficiency certificate and valid identity certificate. In addition, Cobo also needs to have high scientific research level and ability, including published or unpublished academic papers, publications, patents, etc. Astronomy, as a profound subject, requires students to have a solid foundation in mathematics and physics, as well as a deep understanding and research on astronomy. The process of taking the exam requires students to carry out in-depth research and innovation, and invest a lot of time and energy. Therefore, for students majoring in astronomy, the examination is more difficult, and they need to make full preparations and efforts in advance.