Astronomy Picture of the Day ·
Simulation TNG50: A Galaxy Cluster Forms
The Astronomy Picture of the Day for July 26, 2026 is “Simulation TNG50: A Galaxy Cluster Forms,” a video. It is credited to Video Credit: IllustrisTNG Project; Visualization: Dylan Nelson (Max Planck Institute for Astrophysics) et al. Music: Symphony No. 5 (Ludwig van Beethoven), via YouTube Audio Library. The original explanation runs about 162 words.
From the explanation
“How do clusters of galaxies form? Since our universe moves too slowly to watch, faster-moving computer simulations are created to help find out.”
— APOD editors, July 26, 2026
Read the full explanation on science.nasa.gov
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At a glance
- Date
- July 26, 2026
- Type
- Video
- Credit
- Credit: Video Credit: IllustrisTNG Project; Visualization: Dylan Nelson (Max Planck Institute for Astrophysics) et al. Music: Symphony No. 5 (Ludwig van Beethoven), via YouTube Audio Library
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 162 words