Watch CBS News

The "most powerful" telescope humanity's ever launched

Name: The "most powerful" telescope humanity's ever launched
Uploaded: 2017-10-01T19:00:00-0400
Duration: 1 min 48 s
Description: NASA scientist says the new $8 billion Webb telescope will be out of reach after launch, but scientists think it won't need repairs

NASA scientist says the new $8 billion Webb telescope will be out of reach after launch, but scientists think it won't need repairs