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Age of the Universe

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Resources

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

Age of the Universe May 21, 2010

Radio Programs

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

Featured Images

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

Old Sparklers May 12, 2015