Comments on: Inside the JWST alignment process https://habitablezone.com/2022/02/11/inside-the-jwst-alignment-process/ Tue, 07 Apr 2026 19:18:10 -0700 hourly 1 http://wordpress.org/?v=3.3.1 By: RL https://habitablezone.com/2022/02/11/inside-the-jwst-alignment-process/#comment-48346 RL Sat, 12 Feb 2022 20:04:29 +0000 https://habitablezone.com/?p=91367#comment-48346 <a href="https://www.youtube.com/watch?v=5MxH1sfJLBQ" target="_blank" rel="nofollow">Its really quite a clever and 'simple' device to get nanometer positioning..</a> https://www.youtube.com/watch?v=5MxH1sfJLBQ Its really quite a clever and ‘simple’ device to get nanometer positioning..
https://www.youtube.com/watch?v=5MxH1sfJLBQ

]]> By: RL https://habitablezone.com/2022/02/11/inside-the-jwst-alignment-process/#comment-48335 RL Sat, 12 Feb 2022 05:06:04 +0000 https://habitablezone.com/?p=91367#comment-48335 Chilling image from the JWST... the primary and secondary mirrors are slowly cooling... Liquid nitrogen has a temperature of 77K. <img src="https://www.habitablezone.com/wp-content/uploads/2022/02/cooling.jpg" alt="" /> Chilling image from the JWST… the primary and secondary mirrors are slowly cooling… Liquid nitrogen has a temperature of 77K.

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