Roughly 70 of the universe is made of dark energy.
What is dark matter made of.
The first variety is about 4 5 percent of the universe and is made of the familiar baryons i e protons neutrons and atomic nuclei which also make up the luminous stars and galaxies.
Dark matter may not be made up of the matter we are familiar with at all.
What is dark energy.
Although we don t know the exact masses of neutrinos we at least have evidence that they exist.
Scientists named this stuff dark matter.
Those particles might be massively heavy or wispily light.
That only leaves a small 5 for all the matter.
Dark matter may be made of baryonic or non baryonic matter.
The rest of the universe appears to be made of a mysterious invisible substance called dark matter 25 percent and a force that repels gravity known as dark energy 70 percent.
The matter that makes up dark matter could different.
One of the most promising is called a wimp.
We think it only interacts with other matter and itself via gravity but dark matter could turn out to have interactions with any force of nature known or unknown.
But there is a long list of hypothetical particles that might well exist and if so could have survived from the big bang in sufficient numbers.
Dark matter could be made of one kind of particle or many.
Two varieties of dark matter have been found to exist.
Other than that dark energy is a mystery but an important one.
A weakly interacting massive particle.
It may be filled with particles predicted by theory but that scientists have yet to observe.
The missing matter.
Is dark matter made from supersymmetric particles.
Because scientists can t see dark matter directly they have found other ways to investigate it.
The rest is dark matter.
To hold the elements of the universe together dark matter must make up approximately 80 percent of the universe.
That s almost all of it.
Just like dark energy we don t know a whole lot about dark matter.
The rest everything on earth everything ever observed with all of our instruments all normal matter adds up to less than 5.
Most of this baryonic dark matter is expected to exist in the form of gas in.
But it seems that 27 of the universe or about one quarter is made up of the strange stuff.
More is unknown than is known we know how much there is and we know some of its properties.