Sentences with phrase «percent ordinary matter»

Not exact matches

But as all physicists know, the standard model doesn't explain everything — it accounts for less than 20 percent of the matter in the universe, for instance — the rest is invisible or «dark» and can not be made of the ordinary matter particles found on Earth.

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.

Ordinary matter, which makes up the atoms of familiar objects as well as stars and the visible portions of galaxies, accounts for just 4 percent of the cosmos.

Dark energy accounts for most of its mass, exotic dark matter comes in second place, and ordinary matter — the atoms we are made of — lands in a distant third place, with just 4.4 percent.

Ordinary matter makes up just 4 percent.

In fact, the latest survey of the Big Bang's residual light suggests that more than 84 percent of the matter in the cosmos is of the «dark» variety: exotic particles unlike the ordinary atoms that make up our everyday world and the objects therein.

It also showed that ordinary matter — the atoms that make up galaxies, planets, and people — accounts for a paltry 4 percent of the universe's contents.

The satellite's measurements of the microwave afterglow of the Big Bang pinpointed the age of our expanding universe (13.77 billion years) and revealed its ratio of ordinary matter (4.6 percent of the total) to dark matter (24 percent) and dark energy (71.4 percent).

(By current estimates, dark energy makes up nearly three quarters of the universe, dark matter comprises another 20 to 25 percent, and ordinary matter — all that we can see and touch — constitutes a mere 4 percent.)

Baryons are particles of normal or «ordinary» matter (e.g., such as protons and neutrons) that make up more than 99.9 percent of the mass of atoms found in the cosmos.

And now, we have established that dark matter is about 23 percent of the universe; ordinary matter is only 4 1/2 percent; and dark energy is that other 73 percent — which is an even bigger puzzle.

In contrast, ordinary matter makes up only about 15 percent of the mass of the universe.