The huge mirror of NASA's James Webb Space Telescope — its successor to Hubble — has been successfully tested for the first time, putting it one step closer to its eventual launch, which is slated for 2021. Like Hubble — which has long outlive…
The huge mirror of NASA's James Webb Space Telescope — its successor to Hubble — has been successfully tested for the first time, putting it one step closer to its eventual launch, which is slated for 2021. Like Hubble — which has long outlive…