28 relations: Allegheny Observatory, Ann Arbor, Michigan, Astronomer, Astronomical Society of the Pacific, Astronomy, Astrophysical jet, Centimetre, Galaxy, Great Debate (astronomy), Great Depression, Harlow Shapley, Inch, James Edward Keeler, Lake Angelus, Michigan, Lick Observatory, Messier 87, Milky Way, Minor planet, Muskegon, Michigan, Nebula, Portage Lake Observatory, Solar eclipse, Springer Publishing, The New York Times, United States, University of California Press, University of Michigan, University of Virginia.
Allegheny Observatory
The Allegheny Observatory is an American astronomical research institution, a part of the Department of Physics and Astronomy at the University of Pittsburgh.
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Ann Arbor, Michigan
Ann Arbor is a city in the U.S. state of Michigan and the county seat of Washtenaw County.
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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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Astronomy
Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.
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Astrophysical jet
An astrophysical jet is an astronomical phenomenon where outflows of ionised matter are emitted as an extended beam along the axis of rotation.
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Centimetre
A centimetre (international spelling as used by the International Bureau of Weights and Measures; symbol cm) or centimeter (American spelling) is a unit of length in the metric system, equal to one hundredth of a metre, centi being the SI prefix for a factor of.
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Galaxy
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.
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Great Debate (astronomy)
The Great Debate, also called the Shapley–Curtis Debate, was held on 26 April 1920 at the Smithsonian Museum of Natural History, between the astronomers Harlow Shapley and Heber Curtis.
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Great Depression
The Great Depression was a severe worldwide economic depression that took place mostly during the 1930s, beginning in the United States.
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Harlow Shapley
Harlow Shapley (November 2, 1885 – October 20, 1972) was a 20th-century American scientist, head of the Harvard College Observatory (1921–1952), and political activist during the latter New Deal and Fair Deal.
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Inch
The inch (abbreviation: in or &Prime) is a unit of length in the (British) imperial and United States customary systems of measurement now formally equal to yard but usually understood as of a foot.
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James Edward Keeler
James Edward Keeler (September 10, 1857 – August 12, 1900) was an American astronomer.
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Lake Angelus, Michigan
Lake Angelus is a city in north Oakland County in the U.S. state of Michigan.
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Lick Observatory
The Lick Observatory is an astronomical observatory, owned and operated by the University of California.
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Messier 87
Messier 87 (also known as Virgo A or NGC 4486, generally abbreviated to M87) is a supergiant elliptical galaxy in the constellation Virgo.
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Milky Way
The Milky Way is the galaxy that contains our Solar System.
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Minor planet
A minor planet is an astronomical object in direct orbit around the Sun (or more broadly, any star with a planetary system) that is neither a planet nor exclusively classified as a comet.
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Muskegon, Michigan
Muskegon is a city in the U.S. state of Michigan, and is the largest populated city on the eastern shores of Lake Michigan.
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Nebula
A nebula (Latin for "cloud" or "fog"; pl. nebulae, nebulæ, or nebulas) is an interstellar cloud of dust, hydrogen, helium and other ionized gases.
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Portage Lake Observatory
The Portage Lake Observatory (PLO) was an astronomical observatory owned and operated by the University of Michigan (UM).
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Solar eclipse
A solar eclipse (as seen from the planet Earth) is a type of eclipse that occurs when the Moon passes between the Sun and Earth, and when the Moon fully or partially blocks ("occults") the Sun.
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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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The New York Times
The New York Times (sometimes abbreviated as The NYT or The Times) is an American newspaper based in New York City with worldwide influence and readership.
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United States
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
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University of California Press
University of California Press, otherwise known as UC Press, is a publishing house associated with the University of California that engages in academic publishing.
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University of Michigan
The University of Michigan (UM, U-M, U of M, or UMich), often simply referred to as Michigan, is a public research university in Ann Arbor, Michigan.
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University of Virginia
The University of Virginia (U.Va. or UVA), frequently referred to simply as Virginia, is a public research university and the flagship for the Commonwealth of Virginia.
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Redirects here:
H. D. Curtis, Heber Curtis, Heber D. Curtis.
References
[1] https://en.wikipedia.org/wiki/Heber_Doust_Curtis