找到了:
During the first day, we will execute the first and most important trajectory correction maneuver using small rocket engines aboard Webb itself.
望远镜带了一个小火箭来修正轨道.
来源:https://webb.nasa.gov/content/about/orbit.html
然后我还找到一张图,它的 steering 里有那个 reaction wheels 和 jets,但这图里没有标 rocket engines,那到时候还再分离一次 rocket engines 吗?
欧空局的科普,有点过于简单了,但这个完整的图示很不错,很有大局观!
https://www.esa.int/ESA_Multimedia/Images/2021/06/Webb_s_journey_to_L2