What evidence is there for dark matter, other than galaxies not having enough mass to be held together with it? - Quora
ESA - Hubble sees dark matter ring in a galaxy cluster
Clusters of Galaxies
Dark matter 'ghosts' through galactic smash-ups - BBC News
Bullet Galaxy - Wikipedia
Galaxies | Free Full-Text | Applying MOG to Lensing: Einstein Rings, Abell 520 and the Bullet Cluster | HTML
A promising way to detect elusive dark matter particles - Tech Explorist
ViewSpace | Dark Matter: Bullet Cluster
Bullet Cluster - Wikipedia
The Bullet Cluster – A Smoking Gun for Dark Matter! | astrobites
The Bullet Cluster – A Smoking Gun for Dark Matter! | astrobites
7. The Train Wreck Cluster – an “anti-Bullet-Cluster”: disproof of Cold or Warm Dark Matter | The Dark Matter Crisis
Dark Matter in Galaxies and Clusters AST 112. Matter Galaxies appear to be made up of stars, gas and dust Reasonable to think that's the end of the story… - ppt download
Clash of Clusters Separates Dark Matter From Ordinary Matter - Universe Today
Galaxies | Free Full-Text | The Train Wreck Cluster Abell 520 and the Bullet Cluster 1E0657-558 in a Generalized Theory of Gravitation | HTML
Here's How Colossal Galaxy Clusters Reveal Dark Matter Secrets | Space
News in Science - Dark matter found in colliding galaxies - 22/08/2006
The Bullet Cluster Proves Dark Matter Exists, But Not For The Reason Most Physicists Think
JAXA | Probing the Evolution of the Universe with Galaxy Clusters
The Bullet Cluster Proves Dark Matter Exists, But Not For The Reason Most Physicists Think
Astronomers Use Galaxy Clusters to Reveal New Dark Matter Insights
Why the new “Bullet Cluster” / Dark Matter results are ... - Sonic.net
Colliding with Bullet Cluster-dark matter
The dark matter of the universe has a long lifetime
A Clash of Clusters | NASA
Recreation of the Bullet Cluster (1E 0657-56) merging event via N-body computer simulation | Semantic Scholar
Hyperwall: Chandra and the Bullet Cluster
