Observatoire des droits humains (anglais seulement)

The James Webb Space Telescope has taken its first aligned image of a star. Here's how it was done

(Version anglaise seulement)

par Themiya Nanayakkara, Chief Astronomer at the James Webb Australian Data Centre, Swinburne University of Technology

In a huge milestone, the James Webb Space Telescope (JWST) has finally been aligned to produce the first unified image of a single star.

Most traditional telescopes these days (like one you might have in your backyard) have a single primary mirror that collects distant light from stars. But the JWST has 18 mirrors! These had to be aligned extremely precisely to capture the image NASA…

Lire l'article complet