Stream the best of PBS. Anytime, anywhere. Download the free PBS Video App.

Providing Support for PBS.org

NOVA scienceNOW

Space Dangers

Clip: Season 5 Episode 1 | 13m 19s

Can we protect Mars-bound astronauts from deadly meteoroids, radiation, and other hazards?

Aired: 01/19/11

Rating: NR

Video has closed captioning.

The full episode is no longer available for online streaming. Why?

Please continue to enjoy extra(s) from this episode. The full episode is still available for purchase through the "Buy Now" links.

Buy Now:

Problems Playing Video?

Funding for NOVA ScienceNOW is provided by the National Science Foundation and the Alfred P. Sloan Foundation.