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Guests: John Batchelor, Rusty Schweickart, DrSpace. Topics: Planetary Defense, asteroid impact, Asteroid 2011AG5. You are invited to comment, ask questions, and discuss the Space Show program/guest(s) on the Space Show blog, http://thespaceshow.wordpress.com. 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. This program is archived on The Space Show website, podcasting, and blog sites with permission from John Batchelor. Please visit the John Batchelor Show website for more information about this fine program, www.johnbatchelorshow.com. The topics in this 11 minute plus segment focused on the asteroid 2011AG5, asteroid impacts, the means to intervene to deflect an incoming asteroid threat as well as understanding the force of impact for an asteroid the size of 2011AG5. During the discussion, we discussed the odds of the asteroid hitting the US. Rusty explained the Keyhole and its significance for an asteroid that may be approaching Earth. Rusty also gave us critical dates to watch as more refined observational information becomes available for 2011AG5. Finally, we talked about technologies that are available now to deal with an incoming asteroid such as a gravity tractor. Please post your comments/questions on The Space Show blog. If you want to contact either John or Rusty, send your note to me and I will forward it to you.