News & Updates

21 January 2010
Virus-P Projects: Getting a Jump

24 February 2009
Texas Legislature Honors University of Texas at Austin, Texas A&M University for Joint Efforts in Astronomy

10 Jan 2008
New Instrument, Telescope Upgrades Enable Pioneering Dark Energy Experiment

27 Apr 2006
McDonald Observatory Receives $5M Challenge Grant to Study Elusive Dark Energy

“ 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 Laureate
University of Texas at Austin

Video

Karl Gebhardt, HETDEX Project Scientist, explains how a McDonald Observatory telescope will look for dark energy. Play video

Glossary

Expanding universe

The universe is expanding as a result of the Big Bang. The rate of expansion has varied. Evidence shows that until about five billion years ago, the expansion was accelerating but at a slowly decreasing rate. Since then, the acceleration has increased, perhaps as a result of dark energy.

Media Gallery


Testing VIRUS

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