Astrophysical signatures of light dark matter

Not so dark matter

Reality

The 511 keV line

Gamma rays

Heat from cold dark matter?

Conclusions



  • E = 2 m c2
    • Reionization
    • Protogalaxies
      • Missing satellites
      • Red-blue sequence
      • Downsizing
    • Galaxy clusters

Yago Ascasibar (Astrophysikalisches Institut Potsdam)
XLI Rencontres de Moriond (La Thuile, 24 March 2006)