Dark Matter: Links
ESA: Clash of clusters provides new dark matter clue
NASA: "Five-Star" Rated Gravitational Lens
NASA: A Matter of Fact (Bullet Cluster)
NASA/ESA: Hubble Looks through Cosmic Zoom Lens
Physics World: Have We Seen the First Dark Galaxy?
UC Berkeley: Big Bang Nucleosynthesis
This pair of colliding clusters of galaxies provides confirmation for the separation of dark matter in ordinary matter observed in the Bullett cluster.
Image credit: NASA, ESA, CXC, M. Bradac (University of California, Santa Barbara, USA), and S. Allen (Stanford University, USA)






