Webb telescope gets 'golden touch'
Monday, July 30, 2012 - 09:31
in Astronomy & Space
(Phys.org) -- NASA technology does some amazing things. Imagine taking one-tenth of an ounce of gold and spreading it so thin that it completely coats something over four feet in diameter. That's what scientists and engineers did for the primary mirror segments that will fly on NASA's James Webb Space Telescope.