# Two-Body Orbit Expansion Due to Time-Dependent Relative Acceleration Rate of the Cosmological Scale Factor

## Abstract

**:**

## 1. Introduction

## 2. General Relativistic Orbit Expansion in the Era Dominated by Non-Relativistic Matter and Dark Energy

## 3. Phenomenological Bounds from Astronomical Observations

## 4. Summary and Conclusions

## Acknowledgments

## Conflicts of Interest

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**MDPI and ACS Style**

Iorio, L.
Two-Body Orbit Expansion Due to Time-Dependent Relative Acceleration Rate of the Cosmological Scale Factor. *Galaxies* **2014**, *2*, 13-21.
https://doi.org/10.3390/galaxies2010013

**AMA Style**

Iorio L.
Two-Body Orbit Expansion Due to Time-Dependent Relative Acceleration Rate of the Cosmological Scale Factor. *Galaxies*. 2014; 2(1):13-21.
https://doi.org/10.3390/galaxies2010013

**Chicago/Turabian Style**

Iorio, Lorenzo.
2014. "Two-Body Orbit Expansion Due to Time-Dependent Relative Acceleration Rate of the Cosmological Scale Factor" *Galaxies* 2, no. 1: 13-21.
https://doi.org/10.3390/galaxies2010013