Scott Tremaine, former director of the Institute and current member of the Institute for Advanced Studies in Princeton will give the annual Sackler Public Lecture on Tuesday, April 3rd, on University of Toronto Campus.

The lecture will be entitled ``New Worlds: The Search for Planets Outside the Solar System'' and will be a publicly-accessible overview of some of the work over the past twelve years, during which over two hundred planets circling stars other than our sun have been discovered. The lecture is free and open to the public, and will take place at Room 108 of the Koffler Building, 569 Spadina Avenue.

About the Canadian Institute for Theoretical Astrophysics. The Canadian Institute for Theoretical Astrophysics (CITA) is a world-class, nationally supported, research center for studies in theoretical astrophysics and related subjects hosted by the University of Toronto. The primary missions of CITA are to foster interaction within the Canadian theoretical astrophysics community and to serve as an international center of excellence for theoretical studies in astrophysics. CITA receives research support from a collaborative special project grant from the Natural Sciences and Engineering Research Council of Canada (NSERC), as well as the Canadian Institute for Advanced Research (CIAR). More information about CITA and the work of its researchers is available at http://www.cita.utoronto.ca/ .