Labels:text | font | screenshot | document OCR: 1877 Born on October 25 in Oyster Bay, New York. At age 5 he is shown by his parents the transit of Venus across the Sun's disk, and this inspires him to take up astronomy. 1897 Graduates with distinction from Princeton University, New Jersey. 1900 Awarded a PhD by the astronomy department of Princeton University for his new method of determining the orbits of binary stars. 1899-1905 Works at the Cambridge University Observatory, England, on stellar photography, stellar parallax (a method of calculating the distance to neighboring stars), and binary stars. 1905 Appointed as an instructor in astronomy at Princeton University. 1911 Appointed Professor and Director of Princeton University Observatory. 1913 Publishes a diagram showing the absolute magnitude of stars plotted against their spect ...
