Release Date: April 14, 2011 4:00PM (EDT)
Media Use: Copyright
4256 X 2832 JPEG 2 MB
About This Image
NASA engineer Ernie Wright looks on as the first six flight-ready primary mirror segments are prepped to begin final cryogenic testing at NASA's Marshall Space Flight Center in 2011. This represents the first six of 18 segments that will form NASA's James Webb Space Telescope’s primary mirror for space observations.