韦伯望远镜主镜段的低温测试
In this image from 2011, project scientist Mark Clampin is reflected in the flight mirrors of the James Webb Space Telescope during testing at the Marshall Space Flight Center. 在这张2011年的图像中,项目科学家马克·克兰平(Mark Clampin)在马歇尔太空飞行中心进行测试期间被反射在詹姆斯韦伯太空望远镜的飞行镜中。 In the intervening years, Webb has undergone a series of increasingly intensive tests and is slated to launc...