The Inner Solar System: As Above, So Below: The Physics of Regulation
- Mary Clare O'Brien
- Jan 16
- 3 min read
Patterns and rhythms are the organizing language of the universe. Nothing exists in isolation. Everything is held in place by relationship, by force, by timing. Once a key is found, once an anchor point reveals itself, complexity begins to make sense.

Our solar system is a study in this principle. Without the sun, the system collapses. Gravity loosens, orbits fracture, and planets drift into disorder. Earth would not simply experience disruption. It would lose the conditions that make life possible. The sun is not merely a feature of the system. It is the organizing center around which everything coheres.
The human body follows the same logic.
At the center of our internal solar system is the heart. Its rhythm governs life itself. Every cell responds to its steady pulse. Remove it and the system does not reorganize. It ends. The heart functions as an internal sun, a central force that gives structure, timing, and continuity to the whole.
Yet even the sun does not work alone.
The moon plays a quieter but equally vital role. It governs gravity’s effect on Earth. It regulates tides, drawing vast oceans forward and back with patient consistency. It stabilizes Earth’s axial tilt, preventing a dangerous wobble that would throw the planet into climatic chaos. The moon does not dominate the system. It steadies it.
In the human body, the diaphragm serves a similar function.
The diaphragm rises and falls beneath conscious thought, shaping the rhythm of breath. Its movement influences far more than oxygen exchange. Through its connection to the vagus nerve, it regulates the autonomic nervous system, the part of the body responsible for safety, threat, rest, and mobilization. When the diaphragm moves fully, breath deepens. Heart rate variability improves. Emotional states soften or settle. Internal tides recede or advance in a regulated way.
Beneath this motion lies an invisible force, much like gravity itself.
The vagus nerve functions as the stabilizing pull of the internal solar system. It carries information between the heart, lungs, gut, and brain, continuously signaling whether the body is safe or under threat. It does not command emotion or thought directly. It shapes the conditions under which they arise. When vagal tone is strong, the system remains flexible and coherent. When it is weakened through chronic stress, trauma, or shallow breathing, regulation falters.
The mind, then, is the Earth.
When the heart maintains its rhythm and the diaphragm moves freely, the mind remains in orbit. Thoughts organize. Emotions move without overwhelming. Attention stays oriented. There is a sense of direction, of being on one’s path.
But when the diaphragm is bypassed and breathing becomes shallow, the stabilizing pull weakens. The nervous system shifts toward vigilance. The axis begins to wobble. Thoughts fragment. Emotional tides surge without rhythm. The inner world feels unstable, not because meaning has vanished, but because the
forces that maintain coherence have been disrupted.
This is not metaphor for metaphor’s sake. It is physiology.
Breath directly influences neural signaling. Neural signaling shapes emotional regulation. Emotional regulation determines cognitive clarity. Order emerges from rhythm, not from force.
The universe does not strain to stay in orbit. It relies on relationship and balance. The internal solar system operates the same way. Healing does not require domination of the mind. It requires restoring the rhythms that were always meant to guide it.
As above, so below.As within, so without.
When the key is found, chaos does not need to be corrected. It organizes itself.



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