'Bullet cluster' presentation slideshows

The Bullet Cluster A Challenge to L CDM Cosmology

504 views • 36 slides

Dr. Gregory Rudnick (NOAO/Kitt Peak)

RECIPE FOR A GALAXY CLUSTER: A LOT OF DARK MATTER, A BUNCH OF HOT GAS, AND A SPRINKLING OF GALAXIES. Dr. Gregory Rudnick (NOAO/Kitt Peak). Some BIG questions about galaxy clusters?. What are they? How do they form? Where do they live? Why are they interesting?

377 views • 28 slides

Clusters & Super Clusters Large Scale Structure

Clusters & Super Clusters Large Scale Structure. Chapter 22. Galaxy Clusters & Groups. Half of all galaxies are in clusters ( more Es and S0 than Spirals; mass > few times 10 14 -10 15 ) or groups (less dense; more Sp and Irr; less than 10 14 M sun )

289 views • 17 slides

Dark Matter : An Opportunity for Discovery

171 views • 9 slides

DARK MATTER AND DARK ENERGY

DARK MATTER AND DARK ENERGY. This powerpoint will show you the basics of dark matter and dark energy Their place in the universe By Jordan Ilori. DARK MATTER.

792 views • 4 slides

Keiichi Umetsu (ASIAA, Taiwan) & Nobuhiro Okabe (Tohoku Univ, Japan)

Subaru Weak Lensing Study of Seven Merging Clusters of Galaxies. Keiichi Umetsu (ASIAA, Taiwan) & Nobuhiro Okabe (Tohoku Univ, Japan) Ref. Okabe & Umetsu 2007, submitted to PASJ (astro-ph/0702649). 1. Introduction.

212 views • 1 slides