Launch of the James Webb Space Telescope

Media advisory

Update: New Target Launch Date for the James Webb Space Telescope

Due to adverse weather conditions at Europe's Spaceport in French Guiana, the launch of the James Webb Space Telescope – initially scheduled for  – has been postponed. The new target launch date is .

For media inquiries regarding launch delays, please contact Arianespace.

Longueuil, Quebec,  — On , the James Webb Space Telescope, the most powerful space telescope ever built, is planned to launch from Europe's Spaceport in French Guiana. Media representatives can watch live coverage of the launch on NASA TV starting at 6:00 a.m. ET. The launch is scheduled for 7:20 a.m. ET.

A "clean feed" of the launch without commentary will be available by satellite feed. The uplink will begin at 7:00 a.m. ET and continue for an hour after launch. Please contact alise.m.fisher@nasa.gov to receive the satellite coordinates.

Webb is an international collaboration between NASA, the European Space Agency and the Canadian Space Agency (CSA). Canada has contributed a scientific instrument and a guidance sensor to the massive observatory.

Media representatives interested in talking to CSA representatives or Canadian researchers about the telescope may contact:

Canadian Space Agency representatives and Canadian researchers about the telescope contacts
Expert Contact
Canadian Space Agency
  • Lisa Campbell, President of the CSA
  • Sarah Gallagher, Science Advisor to the CSA President
  • Erick Dupuis, Director, Space Exploration Development
  • Martin Bergeron, Manager, Planetary Exploration and Astronomy Missions
  • David Saint-Jacques, CSA Astronaut
  • Gilles Leclerc, Director General, Space Exploration
Canadian Space Agency Media Relations Office
Telephone: 450-926-4370
Email: asc.medias-media.csa@asc-csa.gc.ca
National Research Council of Canada
  • Chris Willott, Canadian James Webb Space Telescope Project Scientist
  • Wesley Fraser, Senior Research Officer
    Herzberg Astronomy and Astrophysics Research Centre
Université de Montréal
  • René Doyon, FGS/NIRISS Principal Investigator
Telephone: 514-349-5779
Email: rene.doyon@umontreal.ca
  • Nathalie Ouellette, Outreach Scientist for Webb in Canada
Telephone: 613-531-1762
Email: nathalie.ouellette.2@umontreal.ca
  • Étienne Artigau, Senior Research Associate, Institut de recherche sur les exoplanètes
Email: etienne.artigau@umontreal.ca
  • Anthony (Tony) Moffat, Professor Emeritus, Department of Physics
514-486-5323
Email: moffat@astro.umontreal.ca
McGill University
  • Lisa Dang, Astrophysicist and PhD Candidate
  • Daryl Haggard, Professor of Physics, James Webb Space Telescope Co-Investigator
Telephone: 438-499-3348
Email: daryl.haggard@mcgill.ca
University of Alberta
  • Gregory R. Sivakoff, Associate Professor, Department of Physics
Telephone: 780-242-5782
Email: sivakoff@ualberta.ca
  • Erik Rosolowsky, Associate Professor of Physics
Telephone: 780-399-6465
Email: rosolowsky@ualberta.ca
Western University
  • Els Peeters, Professor of Physics and Astronomy
Jeff Renaud, Senior Media Relations
Telephone: 519-520-7281
Email: jrenaud9@uwo.ca
University of British Columbia
  • Harvey Richer, Professor, Department of Physics and Astronomy
Telephone: 604-562-6428
Email: richer@astro.ubc.ca
University of Toronto
  • Lamiya Mowla, Dunlap Postdoctoral Fellow, Dunlap Institute for Astronomy and Astrophysics
Telephone: 347-592-6864
Email: lamiya.mowla@utoronto.ca
Hartebeesthoek Radio Astronomy Observatory
  • Gordon C. MacLeod, Research Fellow
Telephone: 519-495-7751
Email: Gord@hartrao.ac.za
Bishop's University
  • Jason Rowe, Canada Research Chair in Exoplanet Astrophysics
Olivier Bouffard, Director of Communications
Telephone: 819-822-9600, ext. 2840
Email: obouffar@UBishops.ca
  • James Sikora, Postdoctoral Researcher
York University
  • Adam Muzzin, Associate Professor, Department of Physics and Astronomy
Telephone: 416-565-0994
Email: muzzin@yorku.ca
Time What Where
6:00 a.m. ET (beginning of the broadcast)

Launch of the James Webb Space Telescope

Media representatives can connect to NASA TV to see live coverage of the launch.

Useful links

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Contact information

Canadian Space Agency
Media Relations Office
Telephone: 450-926-4370
Website: asc-csa.gc.ca
Email: asc.medias-media.csa@asc-csa.gc.ca
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