Video A video introduction to dark energy, narrated by StarDate's Sandy Wood - Play video |
GlossaryBig Rip A possible ending for the universe in which dark energy is so strong that it not only drives the galaxies away from each other, but it eventually forces all particles of matter away from each other. In this scenario, galaxies, stars, and planets all would disintegrate. |
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Copyright ©2008-2013 McDonald Observatory. HETDEX is a collaboration of The University of Texas at Austin, Pennsylvania State University, Texas A&M University, Universitats-Sternwärte Munich, Leibniz Institute for Astrophysics (AIP), Max-Planck-Institut fuer Extraterrestrische Physik, Institut für Astrophysik Göttingen, and University of Oxford. Financial support is provided by the State of Texas, the United States Air Force, the National Science Foundation and the generous contributions of many private foundations and individuals.
