News & Updates

17 March 2014
Tracking HET’s Progress

7 October 2013
VIRUS Units Come Together

9 September 2013
Last Look at Sky Before Upgrade

10 May 2013
Mirror Coating Smooths the Way for HET Upgrade

 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

A video introduction to dark energy, narrated by StarDate's Sandy Wood - Play video

Glossary

Redshift

A shift in the spectrum of an object's light caused by its motion away from the observer. HETDEX will measure the redshifts of one million or more galaxies to determine their speed and distance, which will serve as a probe of the properties of dark energy.

Media Gallery


Testing VIRUS

Find more images, video, and podcasts in the gallery.