The Guardian |
Nasa begins testing enormous space telescope made of gold mirrors
The Guardian Nasa administrator Charles Bolden announced that the agency had finished construction earlier this week on the James Webb Space Telescope, an $8.8bn giant whose 18 gold-coated, hexagonal plates that span the length of a tennis court and which, from ... World's Largest Space Telescope Is Complete, Expected to Launch in 2018 Final Sunshield Layer Completed for NASA's James Webb Space Telescope | NASA NASA Completes Webb Telescope Center of Curvature Pre-test | NASA |
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