Celestial dynamics and astrometry in expanding universe
Cosmology and Nongalactic Astrophysics
2012-12-24 v1 General Relativity and Quantum Cosmology
Abstract
The mathematical concept of the Newtonian limit of Einstein's field equations in the expanding Friedmann universe is formulated. The geodesic equations of motion of planets and light are derived and compared.
Keywords
Cite
@article{arxiv.1212.5278,
title = {Celestial dynamics and astrometry in expanding universe},
author = {Sergei Kopeikin},
journal= {arXiv preprint arXiv:1212.5278},
year = {2012}
}
Comments
1 page, invited talk at Joint Discussion 7 ("Space-Time Reference Systems for Future Research"), IAU General Assembly in Beijing (2012)