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Age of the Universe

Resources

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

Age of the Universe May 21, 2010

Featured Images

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

Radio Programs

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

M92 An ancient family of stars May 12, 2015

Hubble at 25 III A quarter-century of discoveries April 23, 2015

Setting a Date Zeroing in on the Big Bang May 12, 2013

Faint But Steady Stars that are faint but long-lived July 4, 2012

Cosmic Clocks The ticking of cosmic clocks April 11, 2012