Dr. Greg Sivakoff, associate professor, department of physics, University of Alberta

See omnystudio.com/listener for privacy information.

Dr. Greg Sivakoff, associate professor, department of physics, University of Alberta See omnystudio.com/listener for privacy information.

SpaceX launches 4 astronauts in International Space Station

Danielle Smith's background as former leader of the Wildrose Party makes her ideally suited to deliver this unique show that is much more than just politics.

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SpaceX launches 4 astronauts in International Space Station

SpaceX launches 4 astronauts in International Space Station