Africa is about to launch its first private satellite. It's a unique achievement - not least because the engineers designing the satellite's payload aren’t veteran astrophysicists, as you might expect. They’re teenage schoolgirls.
It is billions of rand and years in the making, but once the Square Kilometre Array – most of which will be located in South Africa – is up and running, it will offer a clear hotline to the universe. The massive radio telescope installation will help scientists study the stars.