We must be badly underestimating either the cold dark matter or the hot.
The winter is another matter, especially during such a cold, snowy one.
These hypothetical particles are known as cold dark matter because they move so slowly.
They were forced to change their thinking because cold dark matter alone was unable to explain the very large structures seen throughout the universe.
Other astrophysicists are not so sure about either the new density measurements or the reality of cold dark matter.
The rest is presumably mostly cold dark matter, unknown and so far undetectable.
To explain small scale structure in the Universe it is necessary to invoke cold or warm dark matter.
This bottom up model of structure formation requires something like cold dark matter to succeed.
They have all the properties associated with cold dark matter.
As such, it is very difficult to determine what the constituents of cold dark matter are.