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Space & Astronomy

Dark matter building up inside Sun ?

By T.K. Randall
July 13, 2010 · Comment icon 114 comments

Image Credit: NASA/ESA
A new study has suggested that dark matter could be building up within our own Sun.
The sun could be a net for dark matter, a new study suggests. If dark matter happens to take a certain specific form, it could build up in our nearest star and alter how heat moves inside it in a way that would be observable from Earth.


Source: Wired | Comments (114)




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Comment icon #105 Posted by beale947 15 years ago
Damn this thread got technical fast :/ This goes beyond my knowledge of exotic matter and super symmetry.... so I shall just say: Damn you Photino Birds!!!! You've killed our sun!!!
Comment icon #106 Posted by Power Lust 15 years ago
Damn this thread got technical fast :/ This goes beyond my knowledge of exotic matter and super symmetry.... so I shall just say: Damn you Photino Birds!!!! You've killed our sun!!! There is an even more important theory than dark matter. Wasnt the ether theory thrown out because we couldnt detect its drag on a laser beam but yet the voyager probes arent where they should be?
Comment icon #107 Posted by Humblemun 15 years ago
Again I have to disagree. I see nothing in the article to undermine the idea of conventional matter exerting a gravitational field in a conventional monopole manner. Titan causing tidal waves in Saturn's rings is no different, to my mind, than the moon causing tidal waves on Earth's oceans. Both are adequately explained by even Newtonian physics. You'd be wrong then. I saw a who stated that the empty bands and the rings themselves are formed by the particles getting "extra gravitational kicks" due to the orbits of it's moons. But if gravity is constant, where does this 'extra kick' come from (... [More]
Comment icon #108 Posted by sepulchrave 15 years ago
You'd be wrong then. I saw a who stated that the empty bands and the rings themselves are formed by the particles getting "extra gravitational kicks" due to the orbits of it's moons. But if gravity is constant, where does this 'extra kick' come from (he never did answer that)? Newtonian mechanics would have all the dust and particles more evenly spread surely? I don't think so. The `extra kick' comes from the arrangement of the moons. The moon is at a different distance from different parts of the ring, and the moon orbits at a different rate than the particles in the ring. The force of gravit... [More]
Comment icon #109 Posted by Humblemun 15 years ago
That's such a standard reply, sepulchrave. It's not precisely modelled, like you say, so the orbital resonance effect is largely inferred, if I'm not mistaken. The inclination orbits of the moons is therefore most definitely not modelled then. The extra gravitational kick from a moon which is both close and at a high inclination equally fits the measured observations imv. This and some other work suggests there might not be one explanation for gaps, there may be three or four or even more different dynamical circumstances that can give rise to these gaps.”
Comment icon #110 Posted by sepulchrave 15 years ago
That's such a standard reply, sepulchrave. Yes, my answer is a bit of a "cop-out". And let me be clear: I'm not saying your model is wrong. I am just saying that I am worried about "jumping ship" to a different model of gravity when the existing one works so well, especially since existing problems with the model like: The location of the voyager probes, Gaps in the rings of gas giant planets, Solar flare cycles, and Galactic rotation curves. Are admittedly cases where the full dynamics of the system (as understood in the "conventional" model) have not been fully calculated. In my view, if you... [More]
Comment icon #111 Posted by Humblemun 15 years ago
Yes, my answer is a bit of a "cop-out". And let me be clear: I'm not saying your model is wrong. I am just saying that I am worried about "jumping ship" to a different model of gravity when the existing one works so well.. [*] The location of the voyager probes, In my view, if you want to supplant the existing theory, you have to provide a model which quantitatively predicts equally accurate results in areas where the conventional theory works, like: and quantitatively predicts more accurate results in one or more of the above-mentioned anomalous cases. I appreciate your response and know that... [More]
Comment icon #112 Posted by Humblemun 15 years ago
sepulchrave, here's yet more evidence which fits my hypothesis Sun's activity flies in face of climate expectations Oct 2010 Sun's activity flies in face of climate expectations 06 October 2010 IF NEW satellite data can be trusted, changes in solar activity warmed the Earth when they should have cooled it. Joanna Haigh of Imperial College London studied satellite measurements of solar radiation between 2004 and 2007, when overall solar activity was in decline. The sun puts out less energy when its activity is low, but different types of radiation vary to different degrees. Until now, this had ... [More]
Comment icon #113 Posted by sepulchrave 15 years ago
Again, maybe. However I would say that the magneto-hydro-dynamics of the sun are not sufficiently understood (or at least modeled) to justify postulating an entirely new class of matter. Here's another point to my overall argument: If you can find anomalous gravity fluctuations in the surface field of the Earth, then maybe I'll listen. Since, however, I know for a fact that mineral surveys use local gravitational fluctuations to look for heavy metal (especially gold) deposits, I am doubtful that any sort of exotic matter has an effect on Earth's field above the 0.1% range, and therefore I am e... [More]
Comment icon #114 Posted by Humblemun 15 years ago
Again, maybe. However I would say that the magneto-hydro-dynamics of the sun are not sufficiently understood (or at least modeled) to justify postulating an entirely new class of matter. I would say that the magneto-hydro-dynamics of the sun are not sufficiently understood (or at least modeled) to argue against postulating an entirely new class of matter Here's another point to my overall argument: If you can find anomalous gravity fluctuations in the surface field of the Earth, then maybe I'll listen. Since, however, I know for a fact that mineral surveys use local gravitational fluctuations ... [More]


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