HETDEX - Hobby-Eberly Telescope Dark Energy Experiment

Time 2020-12-12 11:03:15

Web Name: HETDEX - Hobby-Eberly Telescope Dark Energy Experiment

WebSite: http://hetdex.org

ID:131643

Keywords:

Eberly,Hobby,HETDEX,

Description:

News Updates 10 April 2017Upgraded Telescope Ready to 'Unlock the Mysteries of the Universe' 5 November 2015Upgraded Hobby-Eberly Telescope Sees First Light 28 June 2015Sophisticated set of mirrors will sharpen, widen HET’s view of the sky 31 March 2015Engineers install, test cryogenic system 17 March 2014Tracking HET’s Progress Dark energy is not only terribly important for astronomy, it's the central problem for physics. It's been the bone in our throat for a long time. Steven Weinberg Nobel LaureateUniversity of Texas at Austin VideoH.E.T. PFIP Removal - Play video GlossaryGravityOne of the four fundamental forces in the universe, it is a property of matter that "warps" the space around it, causing an attraction between two objects. The magnitude of gravitational attraction depends directly on mass and inversely on distance squared. In other words, if you move twice as far from an object, its gravitational pull on you will be only one-fourth as strong. Gravity was a more dominant force in the early universe, since the universe was smaller and there was less distance between objects. As the universe has expanded, dark energy appears to have become more dominant, pushing the galaxies apart at a faster rate. Media GalleryGary Hill & Phillip MacQueen with VIRUS-P Find more images, video, and podcasts in the gallery.HETDEX is a collaboration of The University of Texas at Austin, Pennsylvania State University, Texas A M University, Universitats-Sternw rte Munich, Leibniz Institute for Astrophysics (AIP), Max-Planck-Institut f r Extraterrestrische Physik, Institut f r Astrophysik G ttingen, 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.

TAGS:Eberly Hobby HETDEX 

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HETDEX will be the first major experiment to search for dark energy. It will use the giant Hobby-Eberly Telescope at McDonald Observatory and a set of spectrographs to map the three-dimensional positions of one million galaxies

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