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- The James Webb Space Telescope cost over $10 billion and took more than 20 years to build.
- NASA recently launched it to a point nearly a million miles from Earth.
- It will look for infrared light from stars more than 13 billion years old.
The James Webb Space Telescope took more than two decades and $10 billion to build. It’s one of NASA’s most expensive science projects. A combination of difficult engineering and mismanagement led to cost overruns and delays. Now it’s nearly a million miles from Earth, preparing to capture images of the first stars that formed over 13 billion years ago.