But if you really want to get down to the nitty-gritty-explore nebulae, understand the motions of heavenly bodies, delve into the movements of the constellations and the relationships between them, and learn about celestial phenomena in general, you've got to fulfill what Chen Cheng-peng, director of the Wenshan Observatory, refers to as the "three prerequisites for beginners."
抬頭看星星人人都會，若要真正深入星河世界，瞭解斗轉星移，知道星座的變化、彼此關係，與背後故事、天象知識，還必須做到文山天文台創辦人陳正鵬說的「入門三條件」。