Home Global The 40-ton door of a chamber that brought NASA’s James Webb …

The 40-ton door of a chamber that brought NASA’s James Webb …

The 40-ton door of a chamber that brought NASA’s James Webb Space Telescope to frigid space-like temperatures was unsealed on Nov. 18 after about 100 days of cryogenic testing. We take a look at the telescope inside: http://go.nasa.gov/2jIdYde