
Space Junk Threatens Future Space Exploration
Clip: 10/27/2011 | 4m 50s
Hari interviews orbital debris expert Donald Kessler.
Hari Sreenivasan sat down with recently with Donald Kessler, former NASA scientist and expert on space junk, to talk about the who's and what's of orbital debris: how much is out there, what does it look like, what happens when these objects collide and what danger do they pose for future space travel and for us on Earth.
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Major corporate funding for the PBS News Hour is provided by BDO, BNSF, Consumer Cellular, American Cruise Lines, and Raymond James. Funding for the PBS NewsHour Weekend is provided by...

Space Junk Threatens Future Space Exploration
Clip: 10/27/2011 | 4m 50s
Hari Sreenivasan sat down with recently with Donald Kessler, former NASA scientist and expert on space junk, to talk about the who's and what's of orbital debris: how much is out there, what does it look like, what happens when these objects collide and what danger do they pose for future space travel and for us on Earth.
Problems playing video? | Closed Captioning Feedback
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