I. One Event, Not Two
A photon’s journey is instantaneous. It does not experience time. To say that it takes eight minutes for a photon to travel from the Sun (Point A) to the Earth (Point B) is only meaningful to an outside observer with mass. From the photon’s own frame where time and space collapse to zero, there is only one point: AB, not A to B. Furthermore, no time elapses for the photon to travel to where it already is (point AB), emission and arrival are not chronologically separate events. There is only the singular moment of Emission-Arrival at point AB.
This is the direct implication of special relativity for massless particles. And if we truly embrace this implication, we are forced to rethink more than just the path of a photon. We are forced to reconsider the nature of existence itself.
II. The Illusion of In-Between
One cannot describe a basketball “in between the moment it goes through the hoop,” because the idea of anything happening between a single event is nonsensical. It is equally absurd to imagine a photon between emission and absorption because emission and absorption are the exact same event: Emission-Arrival at point AB.
From the photon’s perspective, the emission and the interaction are not separated by time or distance. They are not sequential. They are not even distinct. They are one.
This implies that a photon does not exist “on its way” from the point of origin to the destination. There is no wave traveling. No particle flying. There is only a binary reality: either it interacted, and so exists — or it did not, and so never was. There is no conditionality. No potential. No timeline to be collapsed. Just Unconditional Simultaneity.
The difference from Conditional Simultaneity (CS) is that CS relies on language that is bound to space and time even though a photon is not. CS posited that a particle could not exist until it reached its destination. Unconditional Simultaneity removes the concept of a destination (the origin and destination are one), and the chronology that is naturally implied by when describing a photon as non-existent until it arrives somewhere. Photons do not arrive anywhere. They are in their destination (point AB) at the moment of their creation (Emission-Arrival)
III. Reality as One Shared Moment
This idea redefines observation as an act that creates existence. This is not because of consciousness, but because of the nature of light itself. What we perceive as a ten-year journey across space is, from the photon’s perspective, a single, indivisible event. Emission-Arrival. Star and observer. The same moment.
In this view, a photon is not moving through space. It is a moment of connection. The reality it defines is not a path traced across space and time, it is a pinpoint in a deeper kind of framework where space and time do not exist at all.
This is not metaphysical idealism. It does not claim that the universe is shaped by minds or measurements. It claims that the universe is not fundamentally chronological, but relational, as revealed by the properties of light. And from that relation, existence emerges.
IV. The Edge of the Horizon
This perspective raises deep questions. If no photon exists without a full interaction, how do we account for emissions that are never received? The answer, within Unconditional Simultaneity, is simple: we do not. They did not happen. There is no emission without arrival, no signal without reception.
The star did not shine unless its light was received.
Yet to us, it seems otherwise. Because we carry mass, and with it, the illusion of spacetime. We are bound to chronology and the spatial realm. We see paths where there are only points. We speak of departures and arrivals where there is only a single moment.
Unconditional Simultaneity proposes that the entire observable universe is not built on events waiting to unfold, but on instantaneous connections that define one another in a single act. What exists only appears stretched across time and space because mass distorts perception.
To the photon, there is no waiting, no travel, no becoming. There is only existence, and only when that existence is realized through connection.
Conclusion: A Universe of Shared Being
If we take the photon’s perspective seriously, we find that much of what we call reality may be an illusion of scale and substance. Spacetime, as we know it, may be the byproduct of mass, not the stage upon which mass exists. And what we think of as motion and delay may be nothing more than the distortion of a deeper truth: that existence is singular, instantaneous, and relational.
The light of a star does not leave and then arrive. It leaves-arrives. It touches, or it does not exist.
That is Unconditional Simultaneity. And perhaps it is not just a property of light, but a glimpse into the true nature of being.
Andrew S. Beeman
July 1, 2025