NASA hopes its Lucy transforms the understanding of the evolution of the solar system.

美国国家航空航天局希望 " 露西 " 号的发现能改变人们对太阳系演变的认知。

They're also really special in terms of  understanding the evolution of the solar system and understanding the evolution  of the planets because they have remained gravitationally stable for over billions of years.

它们在理解太阳系演化和行星演化方面也非常特别，因为它们在数十亿年的时间里一直保持引力稳定。