What Webb will observe
![](/images/recherche//tiles/bf6888e5-aed5-4058-a819-e8fd2cfd6dd3.jpg)
Description
The James Webb Space Telescope is set to peer farther back into the history of the cosmos than ever before. Its powerful instruments, including the Canadian-made NIRISS, will help unravel the mysteries of the earliest light in our universe. (Credits: STScI, Canadian Space Agency)
Text version
A vertical infographic with the James Webb Space Telescope looking back through time. From most recent: 9 billion years ago, Sun forms; a few billion years ago, quasar era, helium reionization; a few hundred million years ago, first galaxies, hydrogen reionization; dark ages; big bang.
File size: 1.18 MB
Image size: 2160 x 3840 pixels
Resolution: 72 dpi
Photo taken on September 20, 2019
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