26 relations: Adriaan van Maanen, Andromeda Galaxy, Astronomy, Centre for Astrophysics and Supercomputing, Doppler effect, Earth, Edwin Hubble, Galaxy, Goddard Space Flight Center, Harlow Shapley, Heber Doust Curtis, Immanuel Kant, Life expectancy, Light-year, Milky Way, NASA, National Museum of Natural History, Nova, Pinwheel Galaxy, Publications of the Astronomical Society of the Pacific, Sand, Speed of light, Star, Supernova, The Astrophysical Journal, The New York Times.
Adriaan van Maanen
Adriaan van Maanen (March 31, 1884, Sneek – January 26, 1946, Pasadena) was a Dutch–American astronomer.
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Andromeda Galaxy
The Andromeda Galaxy, also known as Messier 31, M31, or NGC 224, is a spiral galaxy approximately 780 kiloparsecs (2.5 million light-years) from Earth, and the nearest major galaxy to the Milky Way.
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Astronomy
Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.
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Centre for Astrophysics and Supercomputing
The Centre for Astrophysics and Supercomputing (CAS) is a research centre located at the Swinburne University in Melbourne, Australia.
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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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Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
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Edwin Hubble
Edwin Powell Hubble (November 20, 1889 – September 28, 1953) was an American astronomer.
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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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Goddard Space Flight Center
The Goddard Space Flight Center (GSFC) is a major NASA space research laboratory located approximately northeast of Washington, D.C. in Greenbelt, Maryland, 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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Heber Doust Curtis
Heber Doust Curtis (June 27, 1872 – January 9, 1942) was an American astronomer.
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Immanuel Kant
Immanuel Kant (22 April 1724 – 12 February 1804) was a German philosopher who is a central figure in modern philosophy.
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Life expectancy
Life expectancy is a statistical measure of the average time an organism is expected to live, based on the year of its birth, its current age and other demographic factors including gender.
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Light-year
The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.
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Milky Way
The Milky Way is the galaxy that contains our Solar System.
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NASA
The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.
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National Museum of Natural History
The National Museum of Natural History is a natural-history museum administered by the Smithsonian Institution, located on the National Mall in Washington, D.C., United States.
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Nova
A nova (plural novae or novas) or classical nova (CN, plural CNe) is a transient astronomical event that causes the sudden appearance of a bright, apparently "new" star, that slowly fades over several weeks or many months.
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Pinwheel Galaxy
The Pinwheel Galaxy (also known as Messier 101, M101 or NGC 5457) is a face-on spiral galaxy distanced 21 million light-years (six megaparsecs) away from Earth in the constellation Ursa Major.
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Publications of the Astronomical Society of the Pacific
Publications of the Astronomical Society of the Pacific (often abbreviated as PASP in references and literature) is a monthly peer-reviewed scientific journal managed by the Astronomical Society of the Pacific.
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Sand
Sand is a naturally occurring granular material composed of finely divided rock and mineral particles.
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Speed of light
The speed of light in vacuum, commonly denoted, is a universal physical constant important in many areas of physics.
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Star
A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.
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Supernova
A supernova (plural: supernovae or supernovas, abbreviations: SN and SNe) is a transient astronomical event that occurs during the last stellar evolutionary stages of a star's life, either a massive star or a white dwarf, whose destruction is marked by one final, titanic explosion.
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The Astrophysical Journal
The Astrophysical Journal, often abbreviated ApJ (pronounced "ap jay") in references and speech, is a peer-reviewed scientific journal of astrophysics and astronomy, established in 1895 by American astronomers George Ellery Hale and James Edward Keeler.
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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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Redirects here:
Shapley - Curtis Debate, Shapley-Curtis Debate, Shapley-Curtis debate, Shapley–Curtis Debate, Shapley–Curtis debate, The great debate.
References
[1] https://en.wikipedia.org/wiki/Great_Debate_(astronomy)