JWST first image mosaic
A mosaic of images taken by the James Webb Space Telescope, showing the images of a single star as seen by the 18 segments of the spacecraft's primary mirror as part of the mirror alignment process. Credit: NASA

SAN FRANCISCO — An initial set of images taken by NASA’s James Webb Space Telescope shows that the spacecraft’s primary mirror is performing as expected during its months-long alignment process.

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Jeff Foust writes about space policy, commercial space, and related topics for SpaceNews. He earned a Ph.D. in planetary sciences from the Massachusetts Institute of Technology and a bachelor’s degree with honors in geophysics and planetary science...