This webcast, featuring McDonald Observatory, is a recording of part of the live 24-hour webcast "Around the World in 80 Telescopes", which was part of the "100 Hours of Astronomy" project for the International Year of Astronomy 2009. It was webcast live on 04 April 2009 at 05:00 (Universal Time). For more about "Around the World in 80 Telescopes" and "100 Hours of Astronomy", visit this link.

This clip may only be used for news coverage and other movie/television productions about the "100 Hours of Astronomy" and The International Year of Astronomy 2009.