NOVA Asteroid: Doomsday or Payday?53:07Video duration: 53:07 Aired: 11/20/13 Expires: 12/15/15Rating: TV-PGVideo has closed captioning. Will future asteroids trigger massive extinctions—or be mined for precious minerals? Add to WatchlistBuy this Video:Buy this video on iTunesBuy DVDShare:Share this video on FacebookShare this video on TwitterShare this video via EmailShare this video on Google PlusEmbed Code for this videoEmbed CodeNOVAAsteroid: Doomsday or Payday?Premiere Date: Nov. 20, 2013, 9 p.m.Width in pixels px Height in pixels px Please copy this text to your clipboard×CloseProblems Playing Video ?Report a problemClosed CaptioningReport a ProblemBefore you submit an error, please consult our Troubleshooting Guide.Type of ErrorVideo doesn't loadVideo loads, but doesn't playVideo jumps back/forwardOnly audio is streamingSponsorship playback errorOtherPlease add more detailsCancelSubmit ReportYour report has been successfully submitted. Thank you for helping us improve PBS Video.Close×CloseEpisode LinksNOVA's "Asteroid: Doomsday or Payday?" homepageE-Mail NewsletterShop NOVA Funding for NOVA is provided by David H. Koch, the Corporation for Public Broadcasting and PBS viewers. Additional funding provided by Roger and Vicki Sant.