James Webb Space Telescope is about halfway through its instrument checks

The James Webb Space Telescope is halfway through getting its instrument modes checked out for science operations, which are expected to begin in mid-July.

The James Webb Space Telescope is fitted with four cutting-edge instruments, which will enable the $10 billion observatory to see the most distant, oldest galaxies, which formed in the early universe only a few hundred million years after the Big Bang, and study their chemical composition. These instruments have 17 science modes between them, and each science mode needs to be tested before the telescope can commence science operations in mid-July.



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