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So far we aren't sure. In general, dark matter is a form of matter we cannot directly observe; its existence can only be inferred through gravitational interaction with baryonic "light" matter.

Basically, Dark matter is stuff we can not see or detect but we think must be there. Because we can not see it capture it or even detect it, we do not know what is or consists of. However, we know enough about the universe to know that dark matter must consist of the same fine matter that atoms are made of.

Dark Matter is the name scientists give to the "stuff" that we believe must be part of the known universe. Scientists can however observe and measure the affects of dark matter.

Hear is how it works: We know that all objects made of matter generate gravity, like the sun the earth and the moon. Even a single person generates a small amount of gravity. The amount of gravity a planet or star produces is directly related to its mass, which is another way of saying or how much matter it is made of. The amount of gravity an object produces causes a very predictable orbit and speed. Sir Isac Newton gave us the exact mathematical formula for calculating how much mass an object in space has by measuring is orbit and speed.

Here is the discovery: When scientists look through telescopes at distant galaxies as well as looking at our own galaxy they now have the ability to mostly add up the stars planets dust and the stuff we call normal matter. We should then be able to return to our telescopes and measure normal speeds at which the galaxies are spinning. What scientists discovered is that all the galaxies are spinning much much faster than expected. And they are not flying apart. Something is generating the extra gravity that is holding the galaxies together. For now because we we cannot see it, and light does not reflect off it, nor can we catch it or touch it, we call it DARK MATTER! Scientists believe it is mixed in with our own galaxy, and it makes up 95% of the known matter in the universe.

Black Holes are another example of this type of thinking. We can not see or observe black holes because light can not escape them. One of the only reasons we know that they are there is because large stars spin around very powerful centers of enormous gravity only to be sucked in never to escape. We can not see black holes, but we can identify that a very large amount of mass is there by its affects on other objects.

Dark matter helps explain the large-scale structures of the Universe such as superclusters and voids and why they exist.

Dark matter is necessary for many mathematical equations to balance. If there is no such thing as dark matter, then many scientific theories do not make sense. Some scientists believe that dark matter exists everywhere, though it is not visible it is coexisting in dimensions all around us that we can not experience. In these discussions, there is a narrow line between Science and Belief.

Answer2.

"Dark Matter" is a missing actor in a Gravitational Play. Maybe we are observing an Electromagnetic Play, an Homopolar Motor!

Maybe, nature uses Electromagnetism not Gravity to control the galactic stars motions.

The energy E=mcV is the solution for the "Missing Matter " problem,. mcV is the energy providing the speed of stars in the galaxy.. The velocity is V = E/mc. This derives from the Electric Model of the galaxy, a homopolar Motor, , where the galaxy rotates as current comes in on the edge and Jets out of the center. Charged stars rotating create a B magnetic field perpendicular to the galaxy. In effect there is a mass spectrometer for stars.

The equation is the Lorentz force F=qVxB = mv2/r giving velocity v= qrB/m = qruI/rm =quI/m=qzI/mc=E/mc!

The velocity is independent of the radius r and dependent on the current I and the ratio q/m of the stars.

The vector energy E=mcV is the "Dark Matter" of the Missing Matter in the galaxies and the "Dark Energy" of Gravitational Theory.

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9y ago
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13y ago

"Dark matter" is the way that lazy scientists sometimes refer to "stuff we can't see".

The problem is that we can calculate how fast the galaxy is spinning, and we can -very roughly! - figure out how much mass is detectable in the galaxy. The problem is that there isn't enough mass to hold the galaxy together spinning at the speed it is. So, either our calculations about the speed the galaxy is spinning is wrong, or there is a WHOLE LOT more mass in the galaxy; mass that we CAN'T SEE. "Dark" matter.

We don't know what dark matter is, or if it really exists, or if there is some other fundamental physical principle that we haven't figured out as well as we think.

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11y ago

Dark matter and dark energy are place names for theoretical concepts invented to explain particular observational features of the Universe.

As far back as the 1930s, astronomer Fritz Zwicky noted that there was not enough visible matter in clusters of galaxies to hold them together over the time scale of the current age of the Universe, given the speed of their motions. Since then, this concept has been formalized into an expectation that there is a great deal of "dark matter" that makes up the extra gravitational strength necessary to bind the galaxies into clusters. Measurements indicate that there is about 5 times as much dark matter as visible matter in the universe.

For various theoretical reasons, dark matter cannot be ordinary matter of the type that stars and planets are made from, though we don't really know yet exactly what that might be. In particular, this rules out things like dark stars and black holes. The Large Hadron Collider is expected to provide some evidence about dark matter constituents.

Dark energy is a rather more tenuous idea. In the 1990s, measurements of supernovae distances (from their brightness) vs. their redshifts indicated that the Universe is not merely expanding, but is expanding faster and faster as time goes on, rather than slowing down, as one might expect due to gravity. This means that there is some sort of influence that is pushing the galaxies outward more strongly than gravity is acting to pull them together. More refined observations indicate that gravity was winning until about 6 billion years ago, when this outward push overcame the strength of the gravitational attraction.

This was labelled "dark energy" by analogy with the also unknown dark matter. There are some theoretical ideas, but no firm explanation for dark energy. It is interesting to note that one of the best candidates is Albert Einstein's original concept of a "cosmological constant" within general relativity; he invented this as a means to counteract gravity to make the Universe static (as it was thought to be at the time). That doesn't really explain what dark energy is beyond stating that it is simply a repulsive behavior of gravity at very large distances (beyond mere millions of light years!).

We know that energy is equivalent to mass; it turns out that there is so much of this dark energy in the Universe that it accounts for nearly 3/4 of the total mass of the Universe. Most of the remaining 1/4 is dark matter. Only about 4% of the mass of the Universe is ordinary stars-and-planets stuff.

Answer2:

Dark Energy and Dark Matter effects are the result of Quaternion Energy.

Energy is a Quaternion quantity consisting of scalar energy -mGM/r and a vector energy cP=cmV, W = -mGM/r + cP.

Current Physics does not recognize the Quaternion nature of Energy and thus Dark Energy and Dark Matter is a mystery place names.

Vector Energy cP is the origin of redshift:

mv2/r = cDel.P

mv2/r = cp/r cos(P)=cmv/r cos(P)

v/c = cos(P) This is the origin of Redshift. Redshift indicates Continuity Condition, where the Centripetal Gravity force is balanced by the Centrifugal Momentum Force, divergence of Vector Energy cDel.P = -cp/r cos(P).

If the redshift is increasing, then the Centripetal Gravity Force is INCREASING and the mass m is moving closer to the mass M, in effect collapsing to the gravitational center; Not expanding from the gravitational center.

The proper analysis of redshift indicates the Universe is bounded, 0 = XW when v=c.

Dark matter isalso a manifestation of cP= cmV.

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11y ago

Dark matter is what keeps galaxies together. For example, if you pour beads (representing stars planets etc.) in a tub they spread out but if you get a fan (representing dark matter) it is possible to blow all the beads to one side dark matter is pushing certain thing together and also separating galaxies apart so in between galaxies there is dark matter. 80% of the universe is estimated to be dark matter. For a more detailed answer go to this site on the link below.

Dark energy the big bang was an explosion of sorts and after an explosion it collapses back on it self but the universe isn't its spreading out faster than light which will eventually cause the big rip. Dark energy is pulling every thing out ward and is faster than light. However, we have no clue how big the thing dark energy is spreading us into is ...

Dark matter is a different type of matter not like we have on Earth; We can prove matter is here on Earth it's called baryonic matter. Dark matter is different it does not emit or reflect electromagnetic radiation which makes it harder for astronomers to find it. Dark matter is observed by the gravitational effect that it has on radiation and the visible universe. The gravitational force it has from dark matter plays a critical role in the shape of the galaxies orbit and the because of the hot gases in the groups of galaxies. Dark matter also has an effect on visible light caused by the groups of galaxies that is more known as gravitational lensing. This unknown matter is called dark matter, because we do not know what these undiscovered matter particles are. In time we will know and discover these particles and will soon be properly understood.
Dark matter and dark energy are different but do have some of the same features. Dark energy is different from dark matter because dark energy is making more room in the galaxies which is making more room; so now since there is so much more room because of the dark energy it is moving all the galaxies around us drift away from us. Astronomers thought that the rate of the universe expanding would soon be slowing to a stop; more recent measurements showed that the rate of the universe expanding is actually going at a faster rate of speed.

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12y ago

I presume the question you are asking is, "In what state of matter is 'dark matter'?"

The answer is simple: we don't know, because we don't know what dark matter consists of. Dark matter might be closest to a gas, but it just as likely to be closest to a solid. Until we learn what dark matter IS, we can't get a good idea on what state of matter it most closely resembles.

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13y ago

Dark matter is a particle but more massive even though we aren't able to see it we know its there because it bends light.

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14y ago

basically, more dark matter. no one knows.

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Is dark matter the force?

Dark matter and The Force are not the same thing. The Force is a fictional power that connects all things. Dark matter is a real-world, theoretical matter that figures into physics and mathematics.


What's the dark matter in the universe?

Dark matter is matter of an unknown type. It is known to exist, due to its gravitational influence, but it is not known what it is made of. There is at least 5 times as much dark matter than "normal" matter.


Which is thought to be more prevalent in the universe dark matter or dark energy?

Dark energy. The current estimates for the distribution of mass/energy in the Universe are approximately: 68% dark energy 27% dark matter 5% baryonic (i.e. "normal") matter


Where is located Dark Matter?

All over the dark expanse of space.


What is the ratio of dark matter to ordinary matter in a universe?

We're not certain that "dark matter" even exists, or what the proportions of "normal" to "dark" matter is. I have read some articles saying that the ratio might be as much as 20-1; 20 parts dark matter to one part normal matter, but these are predicated (I believe) solely on rough calculations based on the perceived mass of the galaxy and its apparent rotational speed.There appears to be a great deal of speculation and estimation in these calculations.One important trait of a scientist is to NOT GUESS about things that we don't know, and to admit the boundary between the known, the believed, and the unknown. Even if the current hypotheses about dark matter and dark energy turn out to have some basis in reality, we will certainly be surprised by the truth when we finally learn it.

Related questions

Name the fourth and fifth states of matter?

wave state and dark matter state


What is the 7th and eighth states of matter?

the 7th state of matter is dark matter


What state of matter is invisible?

The gaseous state of a substance. For example, air is invisible and is shaped by the container or atmosphere.


What state of matter isn't found on earth?

dark.


What state of matter is most commonly found in the universe?

If we are talking about normal matter, as opposed to the dark matter, that would be plasma.


What is the state of most of the matter is the universe?

The most common type of energy/mass in the Universe is in the form of dark energy, followed by dark matter. Only about 4% of the Universe is in the form of "normal" (baryonic) matter. If it is specifically to this matter you refer: the most common state of matter is plasma, found in stars.


What The most common state of matter in the universe is?

Plasma. That's ignoring "dark matter", because we don't yet know what that is.


Where is the largest dark matter in the universe?

Dark matter is everywhere, there really is no place that has the most dark matter.


Is dark matter a subatomic particle?

Dark matter is an unknowm form of matter.


What is a dark matter microscope used for?

There's no such thing as a "dark matter microscope." The whole point of dark matter is that it doesn't interact with electromagnetic radiation... if it did, it wouldn't be dark matter.


What is the scientific term for the opposite of dark matter?

The opposite of dark matter is visible matter.


What can matter not be?

dark matter