The James Webb Space Telescope (JWST), previously known as Next Generation Space Telescope (NGST), is a Flagship-class space observatory under construction and scheduled to launch in October 2018.
The James Webb Space Telescope (JWST) is a Flagship-class space observatory under construction and scheduled to launch in October 2018. The James Webb Space Telescope (JWST) is previously known as Next Generation Space Telescope (NGST).