The Webb Telescope Is Almost Fully Aligned
The Webb Space Telescope is in its final (seventh) stage of alignment, bringing the superlative spacecraft tantalizingly close to commencing its scientific operations. This alignment stage involves final tweaks to the telescope’s primary mirrors and is happening right on schedule, four months after the spacecraft’s launch from French Guiana. Unlike the earlier alignment stages, each of which had a specifically outlined goal—stacking images of a specific star, for example—the seventh (and final) stage merely repeats certain checks made previously, to ensure everything is as precise as possible.
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