Assertion: matter's matter | /r/HasProperty | cold
Facets:
Source sentences:
text: The rate at which galaxies and large structures composed of galaxies coalesced from density fluctuations in the early universe indicates that the nonbaryonic dark matter is relatively “cold,” or “nonrelativisitic,” meaning that the backbones of galaxies and clusters of galaxies are made of heavy, slow-moving particles.
text: Also, dark matter is "cold", meaning that it doesn't move very rapidly; dark matter that is too warm will resist clumping together as much as we observe.