There are other benefits too. http://launiusr.wordpress.com/2012/02/08/why-explore-space-a-1970-letter-to-a-nun-in-africa/ http://launiusr.wordpress.com/2012/02

There are other benefits too. http://launiusr.wordpress.com/2012/02/08/why-explore-space-a-1970-letter-to-a-nun-in-africa/ http://launiusr.wordpress.com/2012/02/08/why-explore-space-a...