What We Learn When We Learn that the Universe is Accelerating

View What We Learn When We Learn that the Universe is Accelerating what we learn

Presenter: Saul Perlmutter

Published: July 2015

Age: 18-22 and upwards

Views: 681 views

Tags: supernova;dark;matter;energy;expansion;accelerating

Type: Lectures

Source/institution: Lindau-Nobel

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The 1998 discovery that the universe’s expansion is accelerating was not only unexpected, but it also led to the postulation of a previously-unknown ‘dark energy’ forming almost three-quarters of the “stuff” of the universe. How was this discovery made? What has been the progress since in understanding this dark energy and the accelerating universe? And what does this tell us about how science works.

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