NOVA Asteroid: Doomsday or Payday?53:07Video duration: 53:07 Aired: 11/20/13 Expires: 12/15/15Rating: TV-PGVideo has closed captioning. Closed Captioning Will future asteroids trigger massive extinctions—or be mined for precious minerals? checkmark Add to WatchlistBuy this Video:AppleBuy this video on iTunesDVDBuy DVDShare:Share this video on Facebook Facebook Share this video on Twitter Twitter Share this video via Email E-mail Share this video on Google Plus Google Embed Code for this video Embed Embed 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 Close 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 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.