english: But then a big difference happened about 50 years ago, after Sputnik was launched. We launched the first American satellite, and that's the one you see on the left in there.
non_english: Toen veranderde er iets wezenlijks, ongeveer 50 jaar geleden, nadat de Sputnik was gelanceerd. Wij lanceerden de eerste Amerikaanse satelliet, degene die je hier links ziet.