NASA has taken its latest space telescope out of deep freeze -- a key test of the device 's resilience to the cold temperatures of space before its launch in 2019 . The James Webb Space capsule was sealed inside Chamber A at NASA 's Johnson Space Center in boulder , Texas , on march 10 where scientists tested its capsule and its instrument module to ensure they functioned as expected in space - like conditions .
NASA has taken its latest space telescope out of deep freeze -- a key test of the device's resilience to the cold temperatures of space before its launch in 2019. The James Webb Space Telescope was sealed inside Chamber A at NASA's Johnson Space Center in Houston, Texas, on July 10 where scientists tested its telescope and science instrument module to ensure they functioned as expected in space-like conditions.