Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Jan 10, 2011
Astronomer Karl Gebhardt describes the VIRUS-P instrument, which is used on the Harlan J. Smith Telescope at The University of Texas at Austin's McDonald Observatory. VIRUS-P is a prototype instrument for the upcoming Hobby-Eberly Telescope Dark Energy Experiment (http://hetdex.org), but has proved to be a powerful instrument for astronomy in its own right.