First, minute quantities of radiation can be detected, because radiation is unlike anything else (million - electron - volt particles crashing
through ordinary matter that is ionized by a few electron - volts, slowing down while creating tens of thousands to hundreds of thousands of ionization sites).
LZ's approach posits that dark matter may be composed of Weakly Interacting Massive Particles — known as WIMPs — which pass
through ordinary matter virtually undetected.
If WIMPs exist, they are very common, but they usually pass
through ordinary matter without interaction.
Not exact matches
The latter always remains a highly personal
matter; the minister is fitted to exercise this authority by the personal crises
through which God leads him It is conferred upon him only in the inner chamber where
ordinary thanksgivings, intercessions, confessions and petitions are daily made and where the extraordinary humblings or clarifications take place.
However, unlike
ordinary enduring objects the succession is not primarily a
matter of repetition of qualities in one occasion after another
through long stretches of time.
His performances at these big set - piece events
matter, because they are rare opportunities for politicians to get direct cut -
through to
ordinary voters on economic issues.
Nevertheless, neutrinos ought to interact with the universe's mass on the largest scales: as these particles careen
through the universe at near light - speed, they interact with
ordinary matter and tend to smooth out variations in density.
But it fits the idea that the pull of the
ordinary matter — applied
through MOND's weird rule — is the only force at work.
They interpreted it as the debris left behind when particles of dark
matter — the mysterious substance that makes up most of the
matter in the universe yet refuses to interact with
ordinary matter except
through gravity — crashed together and annihilated each other in the centre of the Milky Way.
Dark
matter makes up 80 per cent of the stuff in the universe, but it is difficult to see because it barely interacts with
ordinary matter except
through gravity.
Called «sterile» neutrinos, they are thought to interact with normal
matter only
through gravity and to be more massive than
ordinary neutrinos.
Some forms of dark
matter allow detection
through small interactions with
ordinary matter that have so far evaded detection.
The new Illustris simulation (screenshot above; video below) tracks the intertwined evolution of the distribution of dark
matter (left) and
ordinary matter (right)
through cosmic time.
With a neutral charge and nearly zero mass, neutrinos are the shadiest of particles, rarely interacting with
ordinary matter and slipping
through our bodies, buildings and the Earth at a rate of trillions per second.
They are very hard to detect because their interaction with
ordinary matter is extremely feeble, but over the years physicists have detected enough of them to observe that as they travel
through space they can «oscillate» from one flavour to another.
The trouble is the stuff stubbornly refuses to interact with
ordinary matter, except
through gravity, so has not been conclusively detected.
The potential revelations include details about objects both
ordinary, such as stars, and exotic, such as dark -
matter particles, that CMB photons might encounter on their travels
through space.
It's known indirectly
through its gravitational effects (based on these, scientists think dark
matter outweighs
ordinary matter by a factor of at least five).
The artist is known for his photographs that transform
ordinary subject
matter into distinct, poetic images
through his distinct use of color, form and composition.
Casey v. Masullo Brothers Builders, Inc. (218 A.D. 2d 907)- Buyer sues seller for fraud, misrepresentation, mistake of fact and breach of contract where buyer purchased residence based upon representations by seller
through newspaper advertisements and representations by seller's Realtor regarding the school district within which the property was located; Realtor's statement based upon own investigation, loan profile sheet from an abstract company prepared prior to the closing, and town tax rolls which confirmed placement of the property within the disclosed school district; unless the facts are
matters peculiarly within one party's knowledge, the other party must make use of means available to him to ascertain, by the exercise of
ordinary intelligence, the truth of such representations; question of fact exists whether a reasonable inquiry would have revealed the correct school district; order dismissing seller's motion for summary judgment affirmed.