New Hampshire Astronomical SocietyJune 25th in Astronomy and Space Science
 | 1960 | German-American astronomer Walter Baade dies. He was the first to resolve stars in the Andromeda galaxy, he determined that there are two distinct populations of stars and two types of Cepheid variables, resulting in a doubling of the assumed scale of the universe. He also discovered the asteroids Hidalgo and Icarus. |
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