James Webb Telescope Vacuum Tested, Finally Moving Toward Launch | Digital Trends

The long-delayed James Webb telescope is moving toward completion. The telescope passed a round of testing ahead of its planned launch in 2021. The spacecraft which will launch the telescope into space went through vacuum testing, in which the craft is exposed to a simulation of the space environment.
— Read on www.digitaltrends.com/cool-tech/james-webb-telescope-vacuum-testing/