PhysicalConstants`
PhysicalConstants`
HubbleConstant
As of Version 9.0, physical constant functionality is built into the Wolfram Language »
HubbleConstant
is a measure of the rate at which the expansion of the universe varies with distance.
更多信息和选项
- To use HubbleConstant, you first need to load the Physical Constants Package using Needs["PhysicalConstants`"].
- HubbleConstant is given in units of Second^-1.