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Along with Henry Norris Russell, he developed the Hertzsprung-Russell diagram ( 1910).
He won the Gold Medal of the Royal Astronomical Society in 1929 and the Bruce Medal in 1937Events January January 1 Anastasio Somoza becomes President of Nicaragua January 11 The first issue of Look magazine goes on sale in the United States. January 19 Howard Hughes sets a new air record by flying from Los Angeles to New York City in 7 hours,.
He discovered two asteroidAn asteroid is a small, solid object in our Solar System, orbiting the Sun. An asteroid is an example of a minor planet (or planetoid , which are much smaller than planets. The asteroids are believed to be remnants of the protoplanetary disc which were nos, one of which is the Amor asteroidThe Amor asteroids are a group of near-Earth asteroids named after the asteroid 1221 Amor. They approach the orbit of the Earth from beyond, but do not cross it. Most Amors cross the orbit of Mars though. The two moons of Mars, Deimos and Phobos, may be A 1627 Ivar . The asteroid 1693 Hertzsprung is named in his honour.
| 1627 Ivar | September 25September 25 is the 268th day of the year (269th in leap years). There are 97 days remaining. Events 275 M. Claudius Tacitus appointed Roman emperor by the senate. 303 On a voyage preaching the gospel, Saint Fermin of Pamplona was beheaded in Amiens, Fran 1929 |
| 1702 Kalahari | July 7July 7 is the 188th day of the year (189th in leap years) in the Gregorian Calendar, with 177 days remaining. Events 1456 Joan of Arc is acquitted of heresy (but she had already been executed). 1534 European colonization of the Americas: First known excha 1924Centuries: 19th century 20th century 21st century Decades: 1870s 1880s 1890s 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s Years: 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 See also 1924 in aviation 1924 in film 1924 in literature 1924 in mu |