Matter not observed directly but inferred to exist based upon its gravitational effects

learn more… | top users | synonyms

-1
votes
0answers
39 views

Graviton saturation, alternative explanation of galaxy rotation curves? [on hold]

Is there any hypothesis that suggests that some kind of "graviton saturation" could be happening, explaining the weird rotational curves of galaxies, just like the concept of dark matter tries to do? ...
-1
votes
0answers
40 views

Dark matter and ghost free

I have to study this article http://arxiv.org/abs/1311.3111 The title is Dark Matter as a ghost free conformal extension of Einstein theory What does ghost free mean? Thank you,
-2
votes
2answers
2k views

Is there a binary black hole system in the middle of the galaxy?

We have observed gravity effects from black holes in the center of galaxies, but galactic centers are dusty so we can’t tell if it’s one black hole or two black holes in a binary system in there. A ...
-2
votes
2answers
391 views

why is dark matter the best theory available to explain missing mass problems?

Why is dark matter the best theory to explain the missing mass problem? Why is dark matter mathematically necessary to explain the missing mass problem? On a side not I believe dark matter is ...
-2
votes
1answer
186 views

Does Dark Matter have more space-time or particle characteristics?

Dark Matter appears to have more in common with phenomena related to spatial geometry then a particle. I thought in General Relativity, space can be curved without the presence of matter so ...
-2
votes
1answer
112 views

Is dark matter moving faster than light? [closed]

My way of thinking is as follows: Consider a balloon. Let this be blown into a nearly elliptical sphere. Now, the temperature inside the balloon is increased by some means; this leads to the ...
-2
votes
4answers
239 views

Dark energy and dark matter [duplicate]

Our galaxies are speeding apart from each other and that is because of dark energy, but we don't know where it comes from right? If I'm not mistaken could dark matter have dark energy? (If they are ...
-3
votes
2answers
250 views

Could dark matter be expanded atoms, and dark energy expanded radiation? [closed]

After watching Lawrence Krauss' lecture 'life, universe, and nothing', an interesting idea lighted up in my mind. Is it possible that dark matter is just spread out matter waves and dark energy ...
-3
votes
1answer
99 views

Is the standard model so full of holes it is time to start again? [closed]

I have read a lot about dark matter and dark energy, the fact that we are spending a small fortune trying to detect their presence, but the only reason they have been postulated it is an effort to ...
-6
votes
3answers
258 views

Could some Red and Blue shifts be the result of light passing through “dark matter”? [closed]

As i see it, light behaves in certain ways, as the Double Slit experiement shows, So when light comes into contact with dark matter, it becomes both a wave and a particle, the wave is bent around the ...
-8
votes
1answer
88 views

Dark matter and black hole [closed]

Is black hole a kind of dark matter.
-12
votes
1answer
322 views

Isn't searches for dark matter crazy effort? [closed]

There are a lot of crazy quests in astrophysics, one of them is searches for dark matter. How someone could observe dark matter while it is far away?
-21
votes
2answers
333 views

When will physics understand it is the 'dark mass' not the 'dark matter'? [closed]

There is new thinking occurring in physics where 'dark matter' is considered to be incorrect. The new thinking is that mass fills 'empty' space. The mass which fill's 'empty' space is being referred ...