Gravitational Waves
Author: Mark Higgins
Revised Date: 9th March 2026
Audio Overview
Ripples in the Fabric of the Universe
One of the most remarkable predictions of Einstein’s general relativity was the existence of gravitational waves—ripples in spacetime produced by accelerating masses.
For decades these waves remained purely theoretical. Because gravity is extraordinarily weak compared to other fundamental interactions, detecting such ripples required instruments capable of measuring distortions smaller than the width of an atomic nucleus.
In 2015, the Laser Interferometer Gravitational-Wave Observatory (LIGO) made the first direct detection of gravitational waves generated by the merger of two black holes over a billion light-years away.
This observation confirmed one of the final untested predictions of general relativity and opened an entirely new window for observing the universe.
Within the Holographic Space-Time framework, gravitational waves can be interpreted as propagating disturbances within the coherence geometry generated by boundary systems.
Motion in Curved Geometry
In general relativity, massive objects curve spacetime, and changes in the motion of those objects can create dynamic distortions in that curvature.
When extremely massive bodies—such as neutron stars or black holes—orbit each other or collide, their motion causes spacetime curvature to fluctuate.
These fluctuations propagate outward at the speed of light, carrying energy away from the system.
Observers interpret these travelling distortions as gravitational waves.
The HST framework provides a deeper structural interpretation of this phenomenon.
Coherence Geometry in Motion
Earlier sections established that spacetime geometry emerges from the organisation of coherence relationships within boundary networks.
Massive objects correspond to regions of high coherence density that reshape the relational geometry surrounding them.
When such objects accelerate or interact dynamically, the coherence structure of the surrounding boundary network must continually readjust.
These adjustments cannot occur instantaneously across the entire system.
Instead, the changes propagate outward through the coherence network in the form of travelling geometric disturbances.
These disturbances are what we observe as gravitational waves.
Propagation Through the Coherence Network
As the coherence geometry adjusts to changes in the motion of massive systems, the resulting disturbance spreads across neighbouring boundary relationships.
Each region of the network updates its coherence alignment in response to the previous region, creating a chain of recursive updates moving outward through space.
This propagation occurs at a fixed speed—the same universal propagation limit that governs electromagnetic waves.
Observers embedded within the geometry perceive this process as ripples passing through spacetime.
Yet at the structural level, what is occurring is the propagation of coherence realignment across the boundary network that generates space itself.
Energy Transport
Gravitational waves carry energy away from the systems that produce them.
For example, binary neutron stars orbiting each other gradually lose orbital energy as gravitational waves radiate outward. Over time, this energy loss causes the stars to spiral inward until they eventually merge.
Within the HST framework, this process reflects the redistribution of coherence across the surrounding boundary network.
As the massive bodies interact, their internal coherence structures generate dynamic changes in the surrounding geometry. These changes propagate outward, spreading coherence adjustments across larger regions of the network.
The energy carried by gravitational waves therefore corresponds to the transfer of coherence restructuring through the relational geometry of space.
Detecting Coherence Ripples
Gravitational waves are detected using interferometers that measure extremely small changes in distance between widely separated mirrors.
When a gravitational wave passes through the detector, it slightly stretches space in one direction while compressing it in the perpendicular direction.
These distortions are extraordinarily small, often changing distances by less than one part in a trillion trillion.
Within the HST interpretation, the detector is responding to a passing coherence realignment within the boundary network.
As the wave moves through the detector’s region of space, the relational geometry between the mirrors changes slightly, altering the measured distance between them.
A New Way to Observe the Universe
Gravitational wave astronomy has opened an entirely new method of observing cosmic events.
Unlike electromagnetic radiation, gravitational waves can pass through matter almost completely undisturbed. This allows them to carry information from regions of the universe that might otherwise remain hidden.
Collisions of black holes, neutron star mergers, and other extreme astrophysical events generate powerful gravitational waves that travel across billions of light-years before reaching Earth.
Through these signals, scientists can study phenomena that were previously impossible to observe directly.
Waves of Geometry
Understanding gravitational waves through the HST framework reveals them as natural consequences of how coherence geometry evolves in response to changing mass distributions.
Massive objects reshape the coherence network around them. When their motion changes rapidly, the resulting geometric adjustments propagate outward through the system.
These propagating adjustments appear as ripples in spacetime.
Gravitational waves therefore represent dynamic updates within the relational geometry generated by coherent boundary systems.
A Dynamic Universe
The discovery of gravitational waves demonstrates that the universe is not a static geometric structure.
Instead, the geometry of space is continually evolving as matter and energy interact across cosmic scales.
Within the Holographic Space-Time framework, this dynamic behaviour reflects the constant process of coherence updating across the boundary network that generates spacetime itself.
Gravitational waves make these updates visible.
They reveal the living geometry of the universe responding to the motion of its most massive structures.
Gravitational waves are ripples in spacetime produced by the motion of massive objects such as merging black holes or neutron stars.
This chapter interprets these waves through the Holographic Space-Time framework, where changes in the motion of dense systems trigger realignments in the surrounding coherence geometry.
These realignments propagate outward through the boundary network that generates space itself, appearing to observers as travelling distortions of spacetime.
