<p align="right">Last Update: <font color="#4f81bd">July, 13, 2024</font></p> ## BIG IDEAS - The Hubble Constant is a key concept in [[Cosmology|cosmology]] that helps us understand the expansion of [[The Universe|the universe]]. - The Hubble Constant is derived from the relationship between the redshift of a [[Galaxies|galaxy]] and its distance from us. - Symbol: $H_{o}$ - The Hubble Constant helps estimate the age of the universe. Hubble constant value slightly varies based on the measurement procedure. This is called the Hubble tension. --- Return [[Home|Home]] | [[Physical constant]] | [[The Universe]] | [[The Big Bang|The Big Bang Theory]] | [[Solar System]] | [[Galaxies]] | [[Star Clusters]] | [[Superclusters]] | [[Black Holes]]