The James Webb Space Telescope is ready to observe the universe. The space observatory's massive mirror, capable of peering into the most distant reaches of space, is now completely aligned. Hailed as the world's premier space observatory, Webb has successfully completed a number of steps within the past few months that were crucial for aligning its 18 gold mirror segments. Webb will be able to peer inside the atmospheres of exoplanets and observe some of the first galaxies created after the universe began by observing them through infrared light, which is invisible to the human eye. The first high-resolution images Webb collects of the cosmos aren't expected until the end of June because the observatory's instruments still need to be calibrated. But test results recently released by NASA show the clear, well-focused images that the observatory's four instruments are capable of capturing.

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