asteroid impact

Broadcast 2647

Guest:  Dr. John Brandenburg; Topics:  The New Mars Synthesis: the new concept of Mars past, evidence for life.  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website, www.thespaceshow.com.  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 1729 (Special Edition)

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.

Broadcast 566

Marshall Martin provided this month's Deep Space Message. Here is the text of his message: To Whom It May Concern: By the time you receive this message, my planet Earth maybe gone and all my descendants too. Many think it will be by war or global warming. I know there are bigger problems looming like: A major asteroid impact, loss of our radiation blocking magnetic field, and or a stellar dust cloud blocking our sun's warming rays. If this happens, know that our species constantly fought with each other over power and prestige.

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