cafetwinv Wrote:
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> Astroid Threat, Mr. President ? What Astroid
> Threat ? Posted by: cafetwinv ()
> Date: May 28, 2014 09:01AM
>
>
> Topic : Astroid Threat, Mr. President ? What
> Astroid Threat ?
>
> " The Dinosaurs became extinct because they didn't
> have a space program Larry Niven , as quoted on
> Chapter 01, "Near-Earth Ojbects, Finding Them
> Before They Find Us" by Donald H. Yeomans,
> Princeton University Press, 2013. This book is
> available at Fairfax County VA Public Lbriary near
> your neighborhood or mine.
>
> What is Astroid Redirect Initiative 2015++ ?
>
http://www.pinterest.com/pin/74027987599860802/
>
> ============================
>
> Humans have existed only for the last 0.001
> percent of cosmic time.
I took a class at GMU from Robert Hazen.