Time drift of subtended angles as a new cosmological probe
Cosmology and Nongalactic Astrophysics
2009-11-12 v1 General Relativity and Quantum Cosmology
Abstract
We here propose the time drift of subtended angles as a new possible cosmological probe. In particular, with the coming era of microarcsecond astrometry, our proposal can be used to measure the Hubble expansion rate of our universe in a direct way.
Keywords
Cite
@article{arxiv.0911.1859,
title = {Time drift of subtended angles as a new cosmological probe},
author = {Hongbao Zhang and Zong-Hong Zhu},
journal= {arXiv preprint arXiv:0911.1859},
year = {2009}
}
Comments
JHEP style, 7 pages, 4 figures