Download Flash Player to view this content.

The National | Feb 25, 2013 | 5:42

Orbital traffic cop

Canada has sent a satellite into space to take on a critical mission: play traffic cop among the junk-filled superhighway above the Earth

Now Playing on CBC Radio Help Refresh

CBC Radio One

Listen Live Ottawa change

CBC Radio 2

Listen Live Eastern change

CBC Radio 3

Listen Live Radio 3
The National - Space guitarMay 19, 2013 | 2:21The National Space guitar Video
The National Space guitar May 19, 2013 | 2:21A Vancouver company says it will re-start production of a guitar used by Chris Hadfield in space, prompting dozens of new orders.
The National - Chris Hadfield readjusts to 'earthling' lifeMay 18, 2013 | 8:23The National Chris Hadfield readjusts to 'earthling' life Video
The National Chris Hadfield readjusts to 'earthling' life May 18, 2013 | 8:23Canadian astronaut Chris Hadfield speaks with CBC's Kim Brunhuber about getting used to life on Earth after 5 months in outer space.
The National - The Future of Space Science in CanadaMay 18, 2013 | 2:45The National The Future of Space Science in Canada Video
The National The Future of Space Science in Canada May 18, 2013 | 2:45The Canadian Space Agency is facing budget cuts and criticism, just as interest in space exploration is taking off, thanks to Chris Hadfield
The National - Canada's future in spaceMay 18, 2013 | 2:48The National Canada's future in space Video
The National Canada's future in space May 18, 2013 | 2:48The Canadian Space Agency faces budget cuts after Chris Hadfield's mission to the International Space Station
The National - Chris Hadfield's best momentsMay 13, 2013 | 1:56The National Chris Hadfield's best moments Video
The National Chris Hadfield's best moments May 13, 2013 | 1:56We take a look back on some of Chris Hadfield's best moments from these past five months on his space mission.
The National - Hadfield gets ready to return homeMay 12, 2013 | 2:43The National Hadfield gets ready to return home Video
The National Hadfield gets ready to return home May 12, 2013 | 2:43Tomorrow, Chris Hadfield will return to Earth from the International Space Station. Paul Hunter looks at what made Hadfield a hit.
The National - Chris Hadfield's impact on CanadiansMay 12, 2013 | 2:17The National Chris Hadfield's impact on Canadians Video
The National Chris Hadfield's impact on Canadians May 12, 2013 | 2:17Science correspondent Bob McDonald weighs in on the impact that Chris Hadfield has had on Canadians.
The National - Theraputic pond scumMay 10, 2013 | 2:43The National Theraputic pond scum Video
The National Theraputic pond scum May 10, 2013 | 2:43Algae from ponds help curb carbon dioxide emissions
The National - Space station repairs plannedMay 10, 2013 | 2:03The National Space station repairs planned Video
The National Space station repairs planned May 10, 2013 | 2:03Science correspondent Bob McDonald explains how astronauts plan to inspect a leak in the station's cooling system
The National - Low water levelsMay 4, 2013 | 2:22The National Low water levels Video
The National Low water levels May 4, 2013 | 2:22The Great Lakes have seen historic declines in the last few years, and it could have a huge impact on the environment and your bottom line
The National - A new energy industryApr 27, 2013 | 4:41The National A new energy industry Video
The National A new energy industry Apr 27, 2013 | 4:41Calgary company Packers Plus is the birthplace of a new method of fracking that's turning many of the world's oil-poor into the oil-rich
The National - Experimental lakes research site to remain openApr 24, 2013 | 2:34The National Experimental lakes research site to remain open Video
The National Experimental lakes research site to remain open Apr 24, 2013 | 2:34Ontario will provide support for water research program
The National - Smartphone PickpocketsApr 24, 2013 | 2:31The National Smartphone Pickpockets Video
The National Smartphone Pickpockets Apr 24, 2013 | 2:31The CBC's Cameron MacIntosh explains how you could be pickpocketed by a smartphone.
The National - A risky substanceApr 18, 2013 | 3:06The National A risky substance Video
The National A risky substance Apr 18, 2013 | 3:06Margo McDiarmid looks at the source of the explosion at West, Texas - and whether something similar can happen here in Canada
The National - Dino IdolApr 12, 2013 | 2:47The National Dino Idol Video
The National Dino Idol Apr 12, 2013 | 2:47Plaster cast containing Ankylosaur bones chosen to be opened first

1 of 17