Fetching details from the dictionary...
morning star; Venus; rarity
暁星が東の空に輝いていた。
The morning star was shining in the eastern sky.
この分野で成功するのは暁星のごとく稀だ。
Success in this field is as rare as a morning star.
暁星を見つけて夜明けの近さを知った。
I found the morning star and knew dawn was near.