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The Medium piece “The Atlas–Jupiter Problem: A Coherent Scientific Framework for a Dual-Planet Evolutionary Hypothesis” proposes an ambitious narrative:


The author calls this a coherent scientific framework, and implies it is more adequate than viewing 3I/ATLAS as “just” a natural interstellar comet.

As someone who’s been following 3I/ATLAS from the orbital mechanics and thermophysics side, I want to walk through this claim from a technical perspective.

Short version:

The essay combines some real numbers (e.g., Avi Loeb’s Hill-radius calculation and early JPL perijove forecasts) with a large amount of unsupported teleology — design motives, dual-planet experiments, and a curated narrative about extinction events.

As science, it does not hold up. As speculative sci-fi, it’s fun. Those are not the same thing.


1. What the article actually argues

Stripping away the rhetoric, the structure is roughly:

  1. Earth–Jupiter as a dual evolutionary lab
  2. K–Pg impact as an engineered reset
  3. 3I/ATLAS as a “state update” at the Hill radius