Galaxy clusters

News & Articles

New Simulated Universe Previews Panoramas From NASA’s Roman Telescope

6 min read

Astronomers have released a set of more than a million simulated images showcasing the cosmos as NASA’s upcoming Nancy Grace…

Article2 days ago
Hundreds of overlapping objects at various distances are spread across this field. Galaxies’ colors vary. The majority appear orange, pink, and white, some are shades of orange or blue. Most galaxies appear as fuzzy ovals, but a few have distinctive spiral arms. At the very center is a tiny galaxy nicknamed Firefly Sparkle that looks like a long, angled, dotted line. Smaller companions are nearby.

Found: First Actively Forming Galaxy as Lightweight as Young Milky Way

6 min read

For the first time, NASA’s James Webb Space Telescope has detected and “weighed” a galaxy that not only existed around…

Article1 month ago
Amid a field of galaxies, a repeated, elongated red galaxy forms a shape like the top of a question mark, with another galaxy positioned like the question mark’s dot. In each occurrence, another white, clumpy galaxy with an overall circular shape appears perched on top of the red galaxy. A very bright foreground galaxy appears to the right of the bottom curve of the question mark shape. To the lower right, among other galaxies, another occurrence of the galaxy pair appears, unaffiliated with the question mark shape.

NASA’s Webb Reveals Distorted Galaxy Forming Cosmic Question Mark

5 min read

It’s 7 billion years ago, and the universe’s heyday of star formation is beginning to slow. What might our Milky…

Article4 months ago

X-ray Satellite XMM-Newton Sees ‘Space Clover’ in a New Light

5 min read

Astronomers have discovered enormous circular radio features of unknown origin around some galaxies. Now, new observations of one dubbed the…

Article9 months ago
Close-up view of Resolve’s detector

NASA/JAXA’s XRISM Mission Captures Unmatched Data With Just 36 Pixels

3 min read

At a time when phone cameras are capable of taking snapshots with millions of pixels, an instrument on the Japan-led…

Article9 months ago
This image shows an X-ray snapshot of galaxy cluster Abell 2319 on an optical background

NASA/JAXA XRISM Mission Reveals Its First Look at X-ray Cosmos

4 min read

The Japan-led XRISM (X-ray Imaging and Spectroscopy Mission) observatory has released a first look at the unprecedented data it will…

Article1 year ago

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