http://www.bbc.com/future/story/20160510-what-we-would-actually-do-to-stop-a-doomsday-asteroid?ocid=global_future_rss&ocid=global_bbccom_email_11052016_future
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Mark Seymour
215.866.6184
mseymour@proofmark.com
11 May 2016
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