Henrietta Swan Leavitt A history of astronomy Who is this ? Born in 1868, in Massachusetts 1883 Swan Kendrick Leavitt George Roswell Leavitt Harvard computers Data processing Brightness rancking Photographic plates The Background of Henrietta Leavitt 1908 Publications on Magellanic clouds Creation law of Leavitt 1912 Appointed to the Department of Stellar Photometry 1921 The great discovery of Henrietta Discovery of Cepheids Distance scales in the universe Distance Directory It’s up to you ! What law was invented by henrietta Leavitt? What discovery has been able to determine the planting distances? What are the characteristics of a Cepheid? Thank you for listenning
