WMAP- Big Bang Expansion: the Hubble Constant

Public access site for The Wilkinson Microwave Anisotropy Probe and associated information about cosmology.

WMAP- Expansion of the Universe

Density Parameter, Omega

Reconciling Two Different Calculations of the Hubble Constant

Ask Ethan: How Does The CMB Reveal The Hubble Constant?

The Big Bang

How a Dispute over a Single Number Became a Cosmological Crisis

Far-Out Discoveries About the Universe's Beginnings

What is the Hubble constant?

Hubble Constant Mystery – The Measurements of the Expansion of the Universe Don't Add Up

Tension Over Hubble Constant Continues - Sky & Telescope - Sky & Telescope

This Is How Astronomers Know The Age Of The Universe (And You Can, Too), by Ethan Siegel, Starts With A Bang!

NASA's Hubble finds universe is expanding faster than expected

Shown are contours of cosmic age versus Hubble constant for various

New Calculation of the Hubble Constant – Rate of Expansion of the Universe – Via Multi-Messenger Astronomy

Have We Mismeasured the Universe?