Canadian Space Agency (CSA) Astronaut Dr. Bob Thirsk and Dr. Mike Dixon from the University of Guelph, will meet with Halifax area students to talk about "Tomatosphere," a national hands-on learning program reaching more than 140 000 students, sponsored by The Canadian Space Agency, Agriculture and Agri-Food Canada, Heinz Canada, the Centre for Research in Earth and Space Technology (CRESTech), and the University of Guelph. Drs. Thirsk and Dixon will explore the value of plant life to life support as we prepare for manned missions to Mars. DATE: November 13, 2003 TIME: 09:00 - 10:00 THEME: Tomatosphere - Mission to Mars SPEAKERS: Dr. Bob Thirsk, CSA Astronaut Dr. Mike Dixon, Director, Controlled Environment Research Facility & Chair, Environmental Biology, University of Guelph AUDIENCE: 70 grade 6 students from Sacred Heart Elementary School LOCATION: Discovery Centre 1593 Barrington Street Halifax, Nova Scotia DATE: November 13, 2003 TIME: 11:00 - 12:00 THEME: Tomatosphere - Mission to Mars SPEAKERS: Dr. Bob Thirsk, CSA Astronaut Dr. Mike Dixon, Director, Controlled Environment Research Facility & Chair, Environmental Biology, University of Guelph AUDIENCE: 40 grade 10 students (broadcast to 1300 students live via videoconference) LOCATION: Halifax West High School 283 Thomas Raddall Drive Halifax, Nova Scotia