Adriaan Blaauw (born April 12 is the 102nd day of the year in the Gregorian calendar (103rd in leap years). There are 263 days remaining. Events 467 - Anthemius is elevated to Emperor of the Western Roman Empire 1606 - The Union Flag is adopted as the national flag of Great Britain. 1633 - The formal... April 12, 1914 is a common year starting on Thursday. (see link for calendar) Events January 4 - 77 seal hunters freeze to death on ice near Labrador. January 5 - Ford Motor Company announces an eight-hour workday and a minimum wage of $5 for a days labor. February 13 - Copyright: In... 1914) is a Dutch Wikipedia does not yet have an article with this exact name. Start the AstroNomer article If you have created this page in the past few minutes and it has not yet appeared, it may not be visible due to a delay in updating the database. Please wait and check again... astronomer.

His research has included Star clusters are physically bound systems of stars. In order of low compactness to high compactness (and in some sense also age) they range from stellar associations to open clusters to globular clusters. Star clusters may evolve into moving groups. Globular Cluster M92 in the Hercules constellation. General information Star... star clusters and A stellar association is a very loose star cluster, looser than both open clusters and globular clusters. Discovered by Viktor Ambartsumian in 1947. Categories: Stub | Star clusters | Stellar associations ... stellar associations.

He won the The Catherine Wolfe Bruce gold medal is awarded every year by the Astronomical Society of the Pacific for outstanding lifetime contributions to astronomy. See also: Bruce Medalists Past laureates are: 1898 Simon Newcomb 1899 Arthur Auwers 1900 David Gill 1902 Giovanni V. Schiaparelli 1904 William Huggins 1906 Hermann Carl Vogel... Bruce Medal in 1989 is a common year starting on Sunday of the Gregorian calendar. Events January January 7 - Akihito becomes Emperor of Japan following the death of Hirohito. The Heisei period begins January 8 - the Kegworth Air Disaster - A British Midland Boeing 737 crashes on approach to East Midlands Airport - 44 dead... 1989.

The asteroid 2145 Blaauw is named after him.

External links

• Bruce medal page (http://www.phys-astro.sonoma.edu/BruceMedalists/Blaauw/index.html)