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James Webb Space Telescope assembly | Chris Gunn/NASA
Space

NASA Delays Launch of James Webb Space Telescope to 2021

The telescope will allow astronomers to study some of the earliest stars and galaxies in the universe, as well as hunt for alien life.

The optical element of NASA's James Webb Space Telescope is removed from a shipping container in a Northrup Grumman clean room in March. The spacecraft element, including the folded-up sunshield, is at left prior to undergoing acoustic testing. | Northrop Grumman