Sentences with phrase «mass in the universe»

Gravity will ultimately determine the fate of the expansion, and gravity is dependent upon the mass of the universe; specifically, there is a critical density of mass in the universe of 10 - 29 g / cm3 (equivalent to a few hydrogen atoms in a phone booth) that determines what might happen.
Everything with mass in the universe theoretically creates them — you and me included — but only highly cataclysmic events, such as exploding stars, colliding black holes, or the Big Bang, can generate waves that are powerful enough for LIGO to detect.
During the 496th Brookhaven Lecture, Lijuan Ruan explained how she uses electron - positron tomography from quark - antiquark annihilations to study chiral symmetry, a characteristic that «broke» to form 99 percent of the visible mass in the universe and is thought to be restored during ion collisions at the Relativistic Heavy Ion Collider.
The article suggests that this shows that massive neutrinos may account for a «large proportions» of mass in the universe.
It is said that at one time all the mass in the universe formed a very small neculas.
So it is possible that most the mass in the universe is just black holes, dark stars, big planets, and huge asteriods.
But there are energies we haven't figured out yet, plus we seem to be missing about 2/3 of the mass in the universe, or at least we are missing what is causing a mass like effect equivelent to twice all the known mass.
And what sends them toward Earth is a kind of dark matter, that invisible substance that makes up some 85 percent of the mass in the universe, controlling gravity on the largest scale.
A complete understanding of dark matter, which comprises about a quarter of the mass in the universe, is currently lacking, Paris noted.
Adding up all the dark forms of ordinary matter (gas clouds, brown dwarfs, black holes, and so on) still leaves 95 percent of the mass in the universe unaccounted for.
This force would act only on invisible dark matter, the enigmatic stuff that makes up 86 per cent of the mass in the universe.
These filaments form the backbone of the cosmic web and host a large fraction of the mass in the universe, as well as sites of star formation activity.
This could reveal smoking - gun signals of dark matter, the mysterious stuff which makes up 80 per cent of the mass in the universe but can't be seen directly.
The motion of galaxies and other astrophysical observations have provided strong evidence that dark matter makes up 80 per cent of the mass in the universe, but we can't see it directly because it is invisible to light.
Oh, I think the biggest surprise to me was the discovery of dark energy; that most of the mass in the universe is in the form of this dark energy that extends throughout the universe, and has an enormous tension like an exceedingly stiff rubber band.
This dwarf galaxy doesn't have many stars, but it is rich in dark matter, the invisible but predominant source of mass in the universe.
Tevatron scientists still retain hope that they can uncover the Higgs boson, the putative source of mass in the universe.
Dark matter makes up most of the mass in the universe but shuns contact with ordinary matter.
Currently, right now, with all of the new observations in the cosmic microwave background and galaxy structure and weighing the mass in the universe, it is all completely consistent with the ideas that are developed associated with the idea of inflation.
To discover the identity of dark matter — the elusive stuff that accounts for most of the mass in the universe — researchers have done most of their searching belowground.
Dark matter is believed to account for about one - quarter of all the mass in the universe.
Dark Matter is weird stuff — «non-baryonic matter,» as Scientific American editor George Musser puts it in this minute and a half take on the nature of the mystery substance that makes up the majority of the mass in our universe.
Rumour has it that a European space experiment has discovered a telltale signature of the dark matter that makes up 90 per cent of the mass in the universe.
Will we be doomed never to glimpse the nature of the stuff that contributes about 25 percent of all mass in the universe?
For example, if a tiny «cosmic egg» (having all the mass in the universe) existed, it should not explode or suddenly inflate, based on present understanding.
Dark matter accounts for roughly 27 percent of the mass and energy in the observable universe, and 85 percent of all mass in the universe.
For this to work, about 85 % of the mass in the universe must be invisible — and hidden in the right places.
When constructed, the telescope will scan the skies of the Southern Hemisphere to create 3 - D maps of the distribution of mass in the universe.
As we all know, dark matter is theorized to embody most of the mass in the universe.
Is this a problem when it makes up most of the mass in the universe?
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