Skip to main content
SearchLoginLogin or Signup

A Direct Measure of Cosmic Acceleration

Published onMay 31, 2019
A Direct Measure of Cosmic Acceleration
·

Abstract

Two decades after the discovery of accelerating cosmic expansion, there remains no direct detection of a change in the expansion velocity versus time. Redshift drift directly determines H(z), thus it is arguably the cleanest measurement of expansion history. Dedicated experiments can detect redshift drift with a five-year observational baseline.

The full text of this article is only available in PDF format:

Comments
0
comment
No comments here