5 big astronomy “facts” that changed in the 21st century
As our understanding of the Universe advances — and as we collect more comprehensive, better data about all that’s out there — we sometimes find that the actual Universe winds up defying our greatest expectations. Despite how impressive our model of reality has become, and how successfully we’ve put a wide variety of cosmic puzzle pieces together, every once in a while, new data comes along that…
Read original article on Big Think →