Wednesday, 29 September 2021

Cryogenic Testing of the Webb Telescope's Primary Mirror Segment


Project scientist Mark Clampin is reflected in the flight mirrors of the James Webb Space Telescope during testing at the Marshall Space Flight Center. via NASA https://ift.tt/39LDV2H

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Webb Zooms into Helix Nebula

A new image from NASA’s James Webb Space Telescope of a portion of the Helix Nebula highlights comet-like knots, fierce stellar winds, and ...