Boston College Front Row

Astronomer Michael A'Hearn '61, principal investigator of NASA's Deep Impact Project, returns to campus as part of the "Master Class: Alumni in Residence" series. A'Hearn, also a professor of astronomy at the University of Maryland, led the team of physicists and engineers that in July 2005 intentionally collided a rocket with the comet Tempel 1, the first time humans had touched a comet in space. A'Hearn is interviewed by Michael Naughton, a professor of physics at Boston College. Speaker: Michael A'Hearn Date: April 10, 2006 Length: 59:06