For over three centuries, astrophysics has treated gravity as a static, geometric given. While General Relativity excels at calculating orbital mechanics—effectively teaching us how to drive the car—it relies on an epistemological circularity, retroactively assigning invisible mass to force its equations to fit observations. It offers no physical insight into how the engine actually works. This paper serves as Manuscript 1 of 19 in the comprehensive series, Marabūt's Theory of Gravity. It presents the Electron Flow Model (EFM), a generative, fluid-dynamic framework designed to fundamentally replace General Relativity. The EFM shatters classical circularity with a single, undeniable foundational premise: Gravity is Pressure, not curvature, and not an intrinsic mass property. Under this framework, gravity is not a passive warp in spacetime, but the literal mechanical drag and directional pressure of an ocean of vacuum flux rushing past atomic matter to fill a negative void. By replacing theoretical mass with observable physical structure, effective density (₄₅₅), and thermodynamic impedance (), the EFM reveals the true mechanics of attraction. We introduce Micro-Kinetic Transfer, detailing how the continuous inward cascade of flux quanta imparts physical momentum to atomic nuclei via the Angled Jump mechanism. To govern this thermodynamic engine, we introduce the Unified Master Equation: gₒₔₑ₅ = (G) ₄₅₅ Rₒₔₑ₅ (T) - vₑ₎ₓℂRₒₔₑ₅ ₒ₇₈₄₋₃ In this milestone publication, we deploy this single fluid-dynamic algorithm across an unprecedented 64-Body Grand Computational Atlas. For the first time in astrophysics, the EFM's Multiaxial Mara Scale maps the active gravitational gradient from the center core all the way into deep space across virtually every class of celestial body in the universe. This comprehensive ledger spans Main-Sequence Stars, Gas Giants, Superionic Ice Giants, "Forbidden" Exoplanets, Highly Oblate Rotators, Elongated Interstellar objects like 'Oumuamua, Black Holes, and a Dark-Matter-Deficient Galaxy. Pushing the engine to its absolute limits, the EFM effortlessly scales from the microscopic quantum threshold of a laboratory-engineered Giant Superatom, all the way to the ultramassive event horizon of TON 618 (66 billion solar masses). Furthermore, by mapping the overlapping volumetric cascades of Markarian 501, the EFM provides the first mechanistic fluid-dynamic resolution to the "Final Parsec Problem" of Merging Supermassive Black Holes. Crucially, the EFM elevates itself from a theoretical framework to a Strictly Falsifiable Science. Using its own native geometric parameters, the model accurately reproduces the 1. 75 arcseconds of solar light deflection and the 43 arcseconds per century of Mercury's perihelion precession—traditionally the exclusive domain of General Relativity. By achieving this purely through fluid refraction and asymmetric hydrodynamic drag, the EFM proves that "spacetime curvature" is an illusion. Furthermore, it predicts the Thermal-Proximity Flex: the intrinsic self-gravity of highly eccentric bodies, such as Comet 67P, will fluctuate measurably (~28. 3%) between aphelion and perihelion due to solar flux stripping. Ultimately, this framework unifies physics by proposing that Gravity, Electricity, Magnetism, Lightning, and Plasma are not separate forces, but distinct thermodynamic behaviors of the same underlying vacuum flux, manifesting as inward pressure, rotational exhaust, and channeled current, respectively. The EFM provides a Mathematically Consistent, Geometrically Profound, and Rigorous Theoretical Framework for understanding the engine of the universe. Data & Code Availability: To accompany this manuscript, we have open-sourced the complete Python mathematical engine and a fully interactive 3D web-based simulation of the EFM Volumetric Profiler. Researchers, developers, and students can visually explore the hydrodynamic vacuum flux across the celestial bodies at: https: //marabutmarabut. github. io/Theory-of-Gravity/
Marabūt et al. (2026) studied this question.