The only similarity we know of is that they all seem to interact with gravity. Aside from that, scientists do not know what dark matter is.
At present we do not know. It might be almost motionless, it might have a high velocity, it might have a velocity near that of light. These three hypotheses of the nature of dark are called (respectively); cold dark matter, warm dark matter, and hot dark matter.
We don't really know very much about dark matter, so most of its properties (like how it feels) are not known.
Dark matter is matter that does not interact via the electromagnetic force. We don't really know what dark matter is, exactly; there are several possibilities. We know that it interacts via gravity, meaning it has mass. It may, or may not, or SOME of it may, interact via the weak force as well.
I know the 4th state of matter. It's BOSE-EINSTEIN CONDENSATES or BEC.Not Quite!. After Gas, Liquid and Solid come Plasma and then the Bose-Einstein condensate.
We know "dark matter is present because it affects the world in ways I do not know of.
States of matter are: - solid - liquid - gas - plasma - Bose-Einstein condensate - dark matter - fermionic condenste - strange matter etc.
did you know that..... the fourth state of matter is plasma and the fifth state is boxi einstein.
Standard physics and chemistry are based on the energy and matter that we know. We do not know much about dark energy or dark matter, but only that it may exist.
It is currently unknown as scientists do not even know what dark matter is.
The only similarity we know of is that they all seem to interact with gravity. Aside from that, scientists do not know what dark matter is.
At present we do not know. It might be almost motionless, it might have a high velocity, it might have a velocity near that of light. These three hypotheses of the nature of dark are called (respectively); cold dark matter, warm dark matter, and hot dark matter.
Astronomers can infer the mass of a galaxy from the rate at which it rotates. The visible, glowing matter in galaxies (i.e., the stars) do not account for the amount of matter which we know must be there, hence we conclude that there is some additional matter which we do not see because it does not glow, or in other words is dark. Beyond that, we don't know very much about dark matter.
Arguably, yes. There is supposedly four forms of matter: Air, Liquid, Solid, and Plasma or Dark Matter. Plasma is the substance of which outer space is made of: ectoplasm is the substance in which (allegedly) ghosts, poltergeists, domovoys, and the like are made out of.
We don't really know very much about dark matter, so most of its properties (like how it feels) are not known.
Einstein and de Sitter in 1932 proposed a simple solution of the field equations of general relativity for an expanding universe. They argued that there might be large amounts of matter which does not emit light and has not been detected. This matter, now called 'dark matter', has since been shown to exist by observing is gravitational effects.
Dark matter is matter that does not interact via the electromagnetic force. We don't really know what dark matter is, exactly; there are several possibilities. We know that it interacts via gravity, meaning it has mass. It may, or may not, or SOME of it may, interact via the weak force as well.