NASA Centennial Challenges

Broadcast 2263 (Special Edition)

Guest: Doug Messier. Topics: Space news reporting, suborbital, Virgin Galactic, XCOR & lots more. Please direct all comments and questions regarding Space Show programs/guest(s) to the Space Show blog, Comments and questions should be relevant to the specific Space Show program. Written Transcripts of Space Show programs are a violation of our copyright and are not permitted without prior written consent, even if for your own use.

Broadcast 1737 (Special Edition)

Guests: Josh Neubert, Dr. Larry Cooper. Topics: NASA Centennial Challenges and the Night Rover Challenge. You are invited to comment, ask questions, and discuss the Space Show program/guest(s) on the Space Show blog, Comments, questions, and any discussion must be relevant and applicable to Space Show programming. Transcripts of Space Show programs are not permitted without prior written consent from The Space Show (even if for personal use) & are a violation of the Space Show copyright.

Broadcast 1003 (Special Edition)

Guest: Jim Greenhaw, team leader of the Tech Ranch team in the recent Lunar Regolith Challenge, was our guest for today's show. Jim's team was the first place winner in this year's Lunar Regolith Challenge held a few weeks ago at Cal Poly University. We talked extensively about his robot and you can see it and follow our discussion by going to We explored the robotic construction, what other teams did, how he came up with design and much more.

Broadcast 668 (Special Edition)

Ken Davidian was the guest for this program to discuss NASA Centennial Challenges. Ken began our discussion by telling us some prize history, the origins of the NASA Centennial Challenges and the way in which the program works. Ken went through the prizes being offered, their respective supporting allied organizations. Several questions from listeners addressed the timing and dates of the prizes, what happens if a prize is not won, how does it work when the prize is extending over multiple years.

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