Evidence of Dark Matter within the Solar System?

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SUMMARY

The discussion centers on the potential for studying dark matter within the Solar System, referencing two conflicting articles: "Survey finds no hint of dark matter near Solar System" and "Astronomers Detect Dark Matter Near The Sun." Participants emphasize that current research, including the AMS-02 experiment, is ongoing, with results expected soon. The conversation also touches on the nature of dark matter, its interactions, and the challenges of obtaining samples, particularly due to its weak interactions with ordinary matter.

PREREQUISITES
  • Understanding of dark matter theories and candidates, including WIMPs and sterile neutrinos.
  • Familiarity with the AMS-02 experiment and its significance in dark matter research.
  • Knowledge of gravitational interactions and their implications in astrophysics.
  • Basic concepts of particle physics, particularly regarding weak and strong nuclear forces.
NEXT STEPS
  • Research the latest findings from the AMS-02 experiment and its implications for dark matter studies.
  • Explore the role of underground detectors in dark matter research and their methodologies.
  • Investigate the differences between dark matter candidates, focusing on WIMPs and sterile neutrinos.
  • Study the implications of cosmic microwave background (CMB) observations on dark matter properties.
USEFUL FOR

Astronomers, physicists, and researchers interested in dark matter, as well as students and enthusiasts seeking to understand the complexities of dark matter interactions and detection methods.

  • #31
The idea I liked about detecting dark matter was to look for effects inside neutron stars. The gravity of the star would attract the dark matter and there are a great many neutrons there, so if the dark matter interacts weakly it should have some effect, perhaps on the viscosity.

The trouble is that this is at best a second-order effect. We would have to understand neutron star physics so precisely that deviations of the viscosity from the model would be significant, and we are a long way from that.
 

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