Black holes and starry skies
How do you measure a black hole? In this video Astronomy Professor Karl Gebhardt weighs in on the cosmic matter.
Karl Gebhardt, the Herman and Joan Suit Professor of Astrophysics, uses data collected from an innovative instrument at the McDonald Observatory called the VIRUS-P to measure the size of the most massive known black hole in our cosmic neighborhood.
Related content:
- Read more about measuring black holes on the McDonald Observatory Web site.
- Cosmic time machine: The Giant Magellan Telescope will help astronomers demystify dark matter, probe black holes in distant galaxies and study planets around other stars – February 2011
