One Harvard computer, Annie Jump Cannon, used her repetitive acquaintance with the stars to devise a system of stellar classifications so practical that it is still in use today.

有一位名叫安妮·江普·坎农的哈佛大学计算员，利用她熟悉恒星的有利条件，发明了一种恒星分类系统。这种系统如此实用，直到今天还在使用。