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Age of the Universe


Tiny variations in the "afterglow" of the Big Bang are shown as different colors

Age of the Universe May 21, 2010

Radio Programs

Age of the Universe Calculating the age of the universe April 23, 2021

GN-z11 A trip to the early universe April 12, 2021

Ancient Star An ancient but speedy star June 2, 2019

Dark Skies Why the night sky is dark January 6, 2017

Brightest Galaxy The distant glow of a brilliant galaxy October 1, 2016

Old Clusters Scanning for the distant past September 30, 2016

Milky Way Halo Extending our home galaxy September 29, 2016

Featured Images

The earliest known quasar in the universe

Early Starter January 15, 2021

This diagram depicts the 13.8-billion-year history of the universe

Zero to 13.8 Billion March 14, 2018

A graphical history of the universe

End of the Dark Ages November 3, 2016

Hubble Space Telescope view of the core of M13, a globular cluster in Hercules

Old Sparklers May 12, 2015