http://sierravoices.com/2009/12/the-known-universe-where-are-we/ Just another WordPress weblog Thu, 10 May 2012 12:40:42 +0000 http://wordpress.org/?v=2.9.2 hourly 1 http://sierravoices.com/2009/12/the-known-universe-where-are-we/comment-page-1/#comment-325 depelton Tue, 29 Dec 2009 10:02:42 +0000 http://sierravoices.com/?p=1804#comment-325 I was really struck by the graphic representation of the reach of the first radio signals produced by mankind ... in case we think we've extended very far in our effort to contact other life. I was really struck by the graphic representation of the reach of the first radio signals produced by mankind … in case we think we’ve extended very far in our effort to contact other life.

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