An African Space Station on the Horizon

South Africa, Nigeria, Egypt and Morocco all have space programs. Ghana and Ethiopia are racing to catch up. And the African Union is working on AfriSpace to unite more than 40 nations in a single effort. Many African nations are dirt poor, with agriculture the major industry, conducted by small subsistence farmers. So what's the relevance of space technology? Jonathan Kalan is a photographer and reporter based in Nairobi, specializing in technological innovation and social entrepreneurship in Africa. He's also a blogger for the BBC's Future blog.