“大学毕业后，他以专业课第一的成绩直升入英国牛津大学攻读博士学位后”，难道北京大学和牛津大学联合办学设立的直通车博士课程？
英国皇家天文学学会的会员很难申请吗？只要是天文、地理学科方面的学生，或者仅仅是对天文地理有兴趣，它都鼓励申请。
http://www.ras.org.uk/membership
If you are a professional astronomer, geophysicist, or similar; a student studying these disciplines; or simply someone with a serious interest in them, we urge you to apply for membership of the RAS。
对学生的会员费开始只需要1英镑。
Subscriptions begin at as little as £1 for students.
作为天文地理专业的全日制或走读的本科生或研究生，很有希望申请成功。
Most successful applicants will come under one or more of these categories:
•Students enrolled on a full or part time undergraduate or post-graduate course related to astronomy or geophysics, which leads to a formal qualification..
