What We Learn When We Learn that the Universe is Accelerating
Presenter: Saul Perlmutter
Published: July 2015
Age: 18-22 and upwards
Views: 739 views
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.