Tag Archives: dark matter halo

Hubble Telescope monitors stars of a dwarf galaxy to map dark matter

The Hubble space telescope has shown that dark matter concentrated in the core of a nearby dwarf galaxy, a finding that comes to the aid of the Standard Model cosmologyThis model basically predicts that dark matter is “cold,” but recent findings have begun to hint that it is “hot.” ​​But these new observations are on… Read More »

‘Dark force’ theory could solve 2 open cosmic mysteries

A new theory proposes that dark matter consists of particles that interact strongly with each other through a method called “dark force.” If true, this could finally explain the extreme densities we see in dark matter halos surrounding galaxies. The existence of particles called self-interacting dark matter (SIDM) acts as an alternative to cold dark… Read More »