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Alfred Harrison Joy

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Alfred Harrison Joy (September 23, 1882, Greenville, Illinois – April 18, 1973, Pasadena, California) was an astronomer best known for his work on stellar distances, the radial motion of stars, and variable stars. [1]

15 relations: Absolute magnitude, American University of Beirut, Astronomer, Astronomical Society of the Pacific, Bruce Medal, Doppler effect, Greenville, Illinois, Joy (crater), Mount Wilson Observatory, Oberlin College, Pasadena, California, Springer Publishing, Stellar classification, T Tauri star, World War I.

Absolute magnitude

Absolute magnitude is a measure of the luminosity of a celestial object, on a logarithmic astronomical magnitude scale.

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American University of Beirut

The American University of Beirut (AUB); الجامعة الأمريكية في بيروت) is a private, secular and independent university in Beirut, Lebanon. Degrees awarded at the American University of Beirut (AUB) are officially registered with the New York Board of Regents. The university is ranked number 1 in the Arab region and 235 in the world in the 2018 QS World University Rankings. The American University of Beirut is governed by a private, autonomous Board of Trustees and offers programs leading to bachelor's, master's, MD, and PhD degrees. It collaborates with many universities around the world, notably with Columbia University, George Washington University School of Medicine & Health Sciences in Washington, DC; Johns Hopkins University School of Medicine, and the University of Paris. The current president is Fadlo R. Khuri, MD. The American University of Beirut (AUB) boasts an operating budget of $380 million with an endowment of approximately $500 million. The campus is composed of 64 buildings, including the American University of Beirut Medical Center (AUBMC, formerly known as AUH – American University Hospital) (420 beds), four libraries, three museums and seven dormitories. Almost one-fifth of AUB's students attended secondary school or university outside Lebanon before coming to AUB. AUB graduates reside in more than 120 countries worldwide. The language of instruction is English.

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Astronomer

An astronomer is a scientist in the field of astronomy who concentrates their studies on a specific question or field outside the scope of Earth.

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Astronomical Society of the Pacific

The Astronomical Society of the Pacific (ASP) is an American scientific and educational organization, founded in San Francisco on February 7, 1889.

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Bruce Medal

The Catherine Wolfe Bruce Gold Medal is awarded every year by the Astronomical Society of the Pacific for outstanding lifetime contributions to astronomy.

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Christmas

Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.

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Christmas and holiday season

The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.

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Christmas Eve

Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.

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Christmas traditions

Christmas traditions vary from country to country.

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Doppler effect

The Doppler effect (or the Doppler shift) is the change in frequency or wavelength of a wave in relation to observer who is moving relative to the wave source.

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Greenville, Illinois

Greenville is a city in Bond County, Illinois, United States, east of St. Louis.

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Joy (crater)

Joy is a tiny lunar impact crater located in the irregular ground just to the west of Mare Serenitatis.

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Mount Wilson Observatory

The Mount Wilson Observatory (MWO) is an astronomical observatory in Los Angeles County, California, United States.

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New Year

New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.

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New Year's Day

New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.

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New Year's Eve

In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.

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Oberlin College

Oberlin College is a private liberal arts college in Oberlin, Ohio.

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Pasadena, California

Pasadena is a city in Los Angeles County, California, United States, located 10 miles (16 kilometers) northeast of Downtown Los Angeles.

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Springer Publishing

Springer Publishing is an American publishing company of academic journals and books, focusing on the fields of nursing, gerontology, psychology, social work, counseling, public health, and rehabilitation (neuropsychology).

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Stellar classification

In astronomy, stellar classification is the classification of stars based on their spectral characteristics.

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T Tauri star

T Tauri stars (TTS) are a class of variable stars associated with youth.

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World War I

World War I (often abbreviated as WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.

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2018

2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.

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2019

2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.

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Redirects here:

Alfred H. Joy, Alfred Joy.

References

[1] https://en.wikipedia.org/wiki/Alfred_Harrison_Joy

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