cold dark matter
Noun
Meaning
cold dark matter (uncountable)
Dark matter traveling at classical, nonrelativistic speeds.
Related terms
Examples
Cold dark matter leads to a "bottom-up" formation of structure while hot dark matter would result in a "top-down" formation scenario; the latter is excluded by high-redshift galaxy observations.
Cold dark matter main "Cold" dark matter offers the simplest explanation for most cosmological observations.
The high degree of uniformity throughout the observable universe and its faint but measured anisotropy lend strong support for the Big Bang model in general and the ΛCDM ("Lambda Cold Dark Matter") model in particular.