Webb’s 18 mirrors aligned within nanometers

by jrgdon 3/18/2022, 1:00:05 PM with 2 comments
  • by showerston 3/18/2022, 1:33:35 PM

    Breaking taps has a cool video on how the alignment flexures work: https://www.youtube.com/watch?v=5MxH1sfJLBQ

  • by rich_sashaon 3/18/2022, 1:48:25 PM

    Perhaps a dumb question, but if it’s focused, why is the star not a point, or small blob, but rather an enormous six-armed... star shape?