James Webb Space Telescope looks back in time 4.4 billion years photo of the day for July 21, 2026
The James Webb Space Telescope has captured a new image of the galaxy cluster MACS J0553.4-3342 as it appeared 4.4 billion years ago. The data provides scientists with a unique look at the formation of massive galaxy structures in the early universe.
Why it matters
Understanding the formation of galaxy clusters helps astronomers refine models of cosmic evolution and the history of the universe.
When you purchase through links on our site, we may earn an affiliate commission. Here's how it works .
Click for next article Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter
A young cluster of galaxies sparkles under a cosmic glow that's 4.4 billion years old. This peek into the past shows the stellar spectacle of a galaxy cluster still forming.
Get smarter about the news
Sign up free for a feed built around what you actually care about, Dive Deeper research on any story, and the full text of every article.
Create free accountAlready have an account? Sign in