Happy 229th Birthday Joseph von Fraunhofer societyforthehistoryofastronomy 10 years ago Joseph von Fraunhofer discovered the spectral lines from which we have discovered so much about the elements that make up our universe. See more info on https://en.m.wikipedia.org/wiki/Joseph_von_Fraunhofer Share this: Email a link to a friend (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn
