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Hubble's replacement: "It has to work the first time"

Name: Hubble's replacement: "It has to work the first time"
Uploaded: 2017-10-01T19:00:00-0400
Duration: 1 min 34 s
Description: The "Hubble repairman" explains why the telescope's replacement, the James Webb Space Telescope, will be a million miles from Earth - too far to be repaired

The "Hubble repairman" explains why the telescope's replacement, the James Webb Space Telescope, will be a million miles from Earth - too far to be repaired