Gravitational Lensing as a Test Case for RST

Gravitational Lensing as a Test Case for RST

General Relativity vs. Reactive Substrate Theory

  • General Relativity (GR) View: Mass curves spacetime, and light follows those curves.
  • Reactive Substrate Theory (RST) View: Mass creates a local gradient or disturbance in the universal substrate field (S). Light and energy, as excitations of this field, must travel along the geodesics defined by the substrate’s dynamics.

Relevance: For RST to be viable, the geometry induced by the substrate around a massive galaxy must reproduce the same multiple-image lensing effect that GR predicts.

🌌 Dark Matter Connection

  • Gravitational lensing often shows stronger deflection than visible matter alone can explain, which is why standard cosmology invokes dark matter.
  • RST aims to replace dark matter with substrate dynamics.

Implication: The “missing mass” in lensing must be explained by how the substrate field responds to baryonic matter, without requiring invisible particles.

📡 Observational Leverage

  • Multiple images of quasars provide precise quantitative data: the angles, brightness ratios, and time delays between light paths.
  • These are exactly the kinds of measurements that can test whether RST’s substrate field equations can mimic GR lensing predictions.
  • If RST can reproduce these results, it strengthens its case as a viable alternative to ΛCDM.

✊ Takeaway

The JWST quasar lensing video is highly relevant to RST because:

  • It demonstrates a phenomenon (gravitational lensing) that any new theory of gravity must explain.
  • It highlights the “missing mass” problem, which RST claims to solve via substrate dynamics.
  • It provides observational data (image multiplicity, deflection angles, time delays) that can be used to constrain RST parameters like the substrate coupling term σ(x,t)FR(C[Ψ]).

Gravitational Lensing as an RST Test Case

The video's central mechanism is that the mass of a giant galaxy acts like a magnifying glass by bending the fabric of spacetime [00:40], causing the light from a distant quasar to travel along four different paths to Earth.

1. Reconciling Gravity and Fields

  • GR View (as described in the video): Mass creates a "kink in spacetime" [00:52], and light follows the curves of this kink.
  • RST View: RST posits that mass creates a local gradient or disturbance in the universal Reactive Substrate Field (S). Light and energy, which are forms of field excitation, must travel along the path of least resistance or the fundamental geodesics within this S field.

For RST to be valid, the geometry induced by the S field around the massive galaxy must mathematically mimic the effects of curved spacetime with sufficient precision to predict the exact multiple images seen in the JWST image.

2. Explaining the Missing Mass (Dark Matter)

  • Gravitational lensing is a primary piece of evidence for the existence of Dark Matter, as the amount of gravitational deflection observed (the strength of the lens) is often much greater than the visible mass of the lensing galaxy.
  • RST is designed to replace Dark Matter. Therefore, the lensing effect shown in the video must be explained by RST as a natural consequence of the S field's behavior in the presence of the visible baryonic matter, without needing to invoke an additional, invisible mass component.
  • The "missing mass" must be generated by the dynamics of the substrate itself.

Summary

In short, the JWST image provides quantitative observational data of extreme gravitational warping, offering a direct opportunity to test the predictive power of RST against the well-established predictions of General Relativity.

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