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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NASA's IXPE Studies Magnetar

A first of its kind measurement of a magnetar may have captured empty space behaving in a way physicists have predicted for 90 years, but ne...