摘要
The James Webb Space Telescope(JWST),which cleared a slew of complex technical hurdles and became operational over 2021,has awed and surprised astronomers(Figs.1 and 2).“We are able to see things we had not imagined we would see,”said Christopher Willmer,associate research professor at the University of Arizona Steward Observatory in Tucson,AZ,USA,who has worked on the project since 2007.
