Dirk Brouwer (September 1, 1902 РJanuary 31, 1966) was a Dutch-American astronomer. September 1 is the 244th day of the year (245th in leap years). ... 1902 (MCMII) was a common year starting on Wednesday (see link for calendar). ... January 31 is the 31st day of the year in the Gregorian calendar. ... 1966 (MCMLXVI) was a common year starting on Saturday (link goes to calendar) // Events January January 1 - In a coup, Colonel Jean-B̩del Bokassa ousts president David Dacko and takes over the Central African Republic. ... An astronomer or astrophysicist is a scientist whose area of research is astronomy or astrophysics. ...

He received his Ph.D. at Leiden University in the Netherlands and then went to Yale University. From 1941 until 1966 he was editor of the Astronomical Journal. Doctor of Philosophy (Ph. ... Leiden University in the city of Leiden, is the oldest university in the Netherlands. ... Yale University is a private university in New Haven, Connecticut. ... For the movie, see 1941 (film) 1941 (MCMXLI) was a common year starting on Wednesday (link will take you to calendar). ... 1966 (MCMLXVI) was a common year starting on Saturday (link goes to calendar) // Events January January 1 - In a coup, Colonel Jean-Bédel Bokassa ousts president David Dacko and takes over the Central African Republic. ... The Astronomical Journal is a monthly scientific journal published by the University of Chicago Press on behalf of the American Astronomical Society. ...

He specialized in celestial mechanics and wrote the textbook Methods of Celestial Mechanics. Celestial mechanics is a division of astronomy dealing with the motions and gravitational effects of celestial objects. ...

Awards

• Gold Medal of the Royal Astronomical Society (1955)
• Bruce Medal (1966)

The Gold Medal is the highest award of the Royal Astronomical Society. ... 1955 (MCMLV) was a common year starting on Saturday of the Gregorian calendar. ... The Catherine Wolfe Bruce gold medal is awarded every year by the Astronomical Society of the Pacific for outstanding lifetime contributions to astronomy. ... 1966 (MCMLXVI) was a common year starting on Saturday (link goes to calendar) // Events January January 1 - In a coup, Colonel Jean-Bédel Bokassa ousts president David Dacko and takes over the Central African Republic. ...

Named after him

• Asteroid 1746 Brouwer
• Brouwer crater on the Moon (jointly with mathematician Luitzen Egbertus Jan Brouwer)
• Dirk Brouwer Award of the American Astronomical Society Division on Dynamical Astronomy

An asteroid is a small, solid object in our Solar System, orbiting the Sun. ... Brouwer is a large lunar crater that is located in the southern hemisphere on the far side of the Moon. ... Crust composition Oxygen 43% Silicon 21% Aluminium 10% Calcium 9% Iron 9% Magnesium 5% Titanium 2% Nickel 0. ... This article is in need of attention from an expert on the subject. ... Luitzen Egbertus Jan Brouwer (February 27, 1881 - December 2, 1966), usually cited as L. E. J. Brouwer, was a Dutch mathematician, a graduate of the University of Amsterdam, who worked in topology, set theory, measure theory and complex analysis. ... The American Astronomical Society (AAS) is a US society of professional astronomers and other interested individuals, headquartered in Washington, DC. The main aim of the AAS is provide a political voice for its members and organise their lobbying. ...

External links

• Bruce Medal page
• Awarding of Bruce medal
• Awarding of RAS gold medal

Obituaries

• AJ 71 (1966) 76 (one paragraph)
• Obs 86 (1966) 92 (one line)
• PASP 78 (1966) 104 (one line, see also [1])
• QJRAS 8 (1967) 84