Assertion: dark matter | /r/HasProperty | hot
Facets:
Source sentences:
text: The problem that astronomers face now is attempting to determine if Dark Matter is Cold, Hot or both.
text: If the dark matter is composed of abundant light particles which remain relativistic until shortly before recombination, then it may be termed "hot".
text: But as the international research team – which includes astronomers from the Astronomical Observatory of Rome (INAF), the Italian Space Agency Science Data Center and the Paris Observatory – another possibility is that dark matter is neither hot nor cold, but "warm" – i.e. consisting of middle-mass particles (also undiscovered) with FSLs that are roughly the same as objects big as galaxies.