Nature | Nature News Blog

Dark matter results spark debate

Competing experiments present a puzzling picture, as seen through Storify.


  1. Report this comment

    Uncle Al said:

    Milgrom acceleration in MOND is intrinsic trace angular acceleration stabilizing spiral galaxy structure, no dark matter required. If the vacuum is trace anisotropic only toward fermionic mass, Noether’s theorems in kind trace do not enforce conservation of angular momentum… observable only on the largest, quietest scales.

    Noether’s theorems do not act at all upon absolute discontinuous symmetries coupled to rotation and translation – parity, for instance. We then have a dark matter falsification testable in existing apparatus: Chemically and macroscopically identical, opposite geometric parity atomic mass distributions loaded into an Eotvos experiment.

    Enantiomorphic single crystal test masses will vacuum free fall non-identically, as left and right shoes fitted to a vacuum trace left foot. Opposed crystallographic space groups P3 and P3 as glycine gamma-polymorph are an exemplar. Space groups P321 P321 as quartz alpha-polymorph are another exemplar. Either would end the bickering within 90 days.

    Somebody should look at the unambiguous non-fantastical theory-emergent alternative. The worst it can do is succeed, ending the bickering of both revealed empirically incorrect opinions.

  2. Report this comment

    James T. Dwyer said:

    Not to completely discourage faithful dark matter believers, but the perceived requirement for dark matter to explain the rotation of galaxies was artificially produced by the invalid application of empirical ‘laws’ of planetary motion within the Solar system to the dissimilar vast distributions of massive objects comprising spiral galaxies. Not to say that dark matter cannot exist anywhere, but a few dozen research reports indicate that it, and modified gravity, are not necessary to produce the observed dynamic motions of spiral galaxies.

    This is explained in a brief commentary, “On not being the first to discover no galactic dark matter”,

    It also includes references to research reports describing methods of galactic gravitational evaluation that explain the motions of spiral galaxies without requiring galactic dark matter or modified gravity. More recently, please see: Feng & Gallo, (2011), “Modeling the Newtonian dynamics for rotation curve analysis of thin-disk galaxies”,