One question that is very important to understand actual existence of dark matter?

Question

For decades we know that luminous matter - what we see as our sovereign Sun emits electromagnetic radiation, or light, radio waves and X ray to penetrate the outskirts of the Solar System causing different colors and brightness in plasma crystals name "star", other than those with clouds aneliformes in its return caoticamente interpreted as other galaxies. Otherwise the dark matter that is just an evocative name for lack of light, or has no light itself, but it makes a difference in the darkness around them.

For this, just that you will be able to see through the very consciousness that difference of light and lack of it (dark).

You can?

Answer 1

Can I be the first to say this makes no sense at all.

Answer 2

  Actually dark matter was invented by astronomers to exlain something that may not exist.

  The outer arms of a galaxy rotate in step with the galactic center,if a galaxy was a satellite system the outer arms would spiral away,so astronomers permeate the galaxy with dark matter to give it enough mass to hold the galaxy together.

  Other forces could be the actual mechanism of galactic behavior so dark matter likely doesn't exist and is not necessary.

Answer 3

Is this question a direct translation from the Klingon?  Better to ask C3PO, he speaks ten million languages!

Answer 4

Alright, this is hard to parse, but not impossible.

The spin rate of an edge on galaxy can be determined by Doppler shift.  One can estimate the amount of mass by looking at the total brightness, and looking for the gas and dust.  And you can find the distance to the galaxy by looking at certain variable stars, etc.  You can see the apparent size of the galaxy, and with the distance, you can figure out how big it is.  When you combine all this, you find that there isn't nearly enough mass to make the galaxy spin at the rate you measured.  There must be more mass.  This is called Dark Matter.  It's primarily called "Dark" because we have no idea what it is.  It's not just that it does not emit any kind of light.

But we now know a considerable amount about what it isn't.  It's not free floating cold planets or other objects that are just too dim, at least not much of it.  It's not black holes or neutron stars.  It's not neutrinos - they don't have enough mass or the right behavior.  That leaves an undiscovered particle that does not interact with other stuff much, if at all, except by gravity, and it has some odd properties of it's own where it doesn't just gravitationally collapse into tiny clumps.

So, how does one detect dark matter?  Well, it has gravity, and gravity can bend light.  So very large clumps of it can be detected statistically by looking for changes to the light from background sources - mostly galaxies.  It's very hard, but has been done.

Answer 5

OK Silenus....you be the first, I'll be the second. Your question is a bit strange to say the least.Plasma crystals name "star"?

aneliformes? and caoticamente?

Dark matter cannot be seen but its gravitational effect on galaxies is without question

.http://en.wikipedia.org/wiki/Missing_mas...