I notice they mention this one can not be fixed later. The sun/ earth Lagrange point. That is remarkable.
Quote:
Originally Posted by skysurfer
The segments of the JWST are made of beryllium which is a metal like aluminum, but is floating 1.5 million km 'behind' Earth as seen from the Sun, it is the largest telescope in space to date. To enhance reflectivity, the mirror is gold coated. |