Sponsor of the Day:
Jerkmate
https://public.nrao.edu/news/alma-galaxy-clusters/
New Discovery Challenges Evolution of Galaxy Clusters - National Radio Astronomy Observatory
Jan 12, 2026 - The latest news from the NSF's National Radio Astronomy Observatory.
national radio astronomynew discoverygalaxy clusterschallengesevolution
https://www.space.com/astronomy/dark-universe/is-dark-matter-made-of-mysterious-ghost-particles-galaxy-clusters-could-hold-the-answer
Is dark matter made of mysterious 'ghost particles:' Galaxy clusters could hold the answer | Space
Jan 9, 2026 - If dark matter particles decay, then scientists could hunt for it by searching for X-ray or gamma-ray signals, or "ghost particle" neutrinos in galaxy clusters.
dark matterghost particlesgalaxy clusterscould holdmade
https://scienceblogs.com/startswithabang/2016/09/19/dark-matter-proved-real-by-colliding-galaxy-clusters-synopsis
Dark Matter Proved Real By Colliding Galaxy Clusters (Synopsis) | ScienceBlogs
“It may be that ultimately the search for dark matter will turn out to be the most expensive and largest null result experiment since the Michelson-Morley...
dark mattergalaxy clusterssynopsis scienceblogsprovedreal