Behind the Webb: On the Wings of Apollo (Episode 12)

At Johnson Space Center in Houston, Texas, a cavernous chamber is being modified for use in testing the Webb Telescope. Environmental testing is part of the myriad of tests Webb must endure to be deemed space-worthy.

“Behind the Webb” is a recurring video series from HubbleSite, home of the Hubble Space Telescope and the upcoming Webb Space Telescope. Join host Mary Estacion as she goes behind the scenes to watch the construction and testing of the parts that will make Webb the world’s most powerful infrared telescope.