eriola beetz, thank ou the biggest problems. eriola beetz, thank you very _ the biggest problems.la beetz, thank you very much forjoining - the biggest problems. eriola beetz, thank you very much forjoining us | thank you very much forjoining us from boston. let's see what comes out of the summit. in a galaxy far, far away — 100 light years away, in fact — researchers have located "the perfect solar system". it was forged without the violent collisions that made our own solar system. it has six planets, all about the same size, and they've barely changed since its formation up to 12 billion years ago. these undisturbed conditions make it idealfor learning how the worlds were formed and whether they host life. our science correspondent pallab ghosh reports. our solar system had a violent beginning. worlds crashed into each other as they formed, disturbing their orbits and eventually leading to the planets of vastly different sizes that we know today. but if we travel through space 100 light years, we find another solar system — but one that was created in much calmer conditions wit