Dark Matter in a sentence

The maximum entropy of dark matter has been detected in dwarf galaxies, which have a higher ratio of dark matter to total matter than have more massive galaxies, so it is easier to see the effect in them.

Dark fluid combines dark matter and dark energy in a single energy field that produces different effects at different scales.

Dark fluid is an alternative explanation for accelerating expansion which attempts to unite dark matter and dark energy into a single framework.

The accelerated expansion in the last third of the timeline represents the dark-energy dominated era collapsible Estimated ratios of dark matter and dark energy (which may be the cosmological constant) in the universe.

Theories for the consequences to the universe As the universe expands, the density of radiation and ordinary and dark matter declines more quickly than the density of dark energy (see equation of state ) and, eventually, dark energy dominates.

This universe will be composed of atomic dark matter, which contains dark matter versions of our “normal” atoms.

Astronomers have carried out other observational tests of dark matter theories before, but ours provides the strongest evidence yet for the presence of small clumps of cold dark matter.

The untrained eye can see the damage on an MRI image, dark spots on white matter and white spots on dark matter.

Not a surprise, all dark matter experiment finds no evidence of any kind of dark matter.

A dark matter experiment in South Korea may soon confirm or deny an outstanding piece of dark matter evidence.

If dark matter particles are released in neutron decay, as some theories suggest, then it might explain the presence of dark matter in the universe and offer a means of detection.

Professor Justin Read, a co-author on the study from the University of Surrey, added: "It is challenging to understand our results for Eridanus II if dark matter comprises a weakly interacting 'cold' particle—the currently-favoured model for dark matter.

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.

Dark matter has never been detected in the laboratory, and the particle physics nature of dark matter remains completely unknown.

Hot dark matter main "Hot" dark matter consists of particles whose FSL is much larger than the size of a protogalaxy.

In addition, cosmological observations provide many useful constraints on the dark matter, although it may be impossible to determine the exact nature of the dark matter without the colliders.

The annihilation of the dark matter particle-antiparticle pairs, however, would have continued, and the number density of dark matter particles would have begun to decrease exponentially.

The results show that cold dark matter produces a reasonable match to observations, but hot dark matter does not.

This is the focus for dark matter research, as hot dark matter does not seem to be capable of supporting galaxy or galaxy cluster formation, and most particle candidates slowed early.