Keyword Analysis & Research: astronomy definition

wikipedia.org

https://en.m.wikipedia.org/wiki/Astronomy

WebAstronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution. Objects of interest include planets, moons, stars, nebulae, galaxies, meteoroids, asteroids, and comets.

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merriam-webster.com

https://www.merriam-webster.com/dictionary/astronomy

WebIn current use, astronomy is concerned with “the study of objects and matter outside the earth's atmosphere,” while astrology is the purported divination of how stars and …

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britannica.com

https://www.britannica.com/science/astronomy

Web4 days ago · Astronomy, science that encompasses the study of all extraterrestrial objects and phenomena. Since the late 19th century, astronomy has expanded to include astrophysics, the application of physical and chemical knowledge to an understanding of the nature of celestial objects.

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space.com

https://www.space.com/16014-astronomy.html

WebJul 25, 2023 · All astronomy is the study of different wavelengths of the electromagnetic spectrum, which comprises radio, microwave, infrared, visible, ultraviolet, X-ray … definition

definition

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amnh.org

https://www.amnh.org/explore/ology/astronomy/what-is-astronomy

WebAstronomy is the study of everything in the universe beyond Earth’s atmosphere. That includes objects we can see with our naked eyes, like the Sun, the Moon, the planets, and the stars. It also includes objects we can only see with telescopes or other instruments, like faraway galaxies and tiny particles.

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dictionary.com

https://www.dictionary.com/browse/astronomy

WebAstronomy deals with the position, size, motion, composition, energy, and evolution of celestial objects. Astronomers analyze not only visible light but also radio waves, x-rays, and other ranges of radiation that come from sources outside the Earth's atmosphere.

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cambridge.org

https://dictionary.cambridge.org/dictionary/english/astronomy

Webthe scientific study of the universe and of objects that exist naturally in space, such as the moon, the sun, planets, and stars. Examples. Unlike astronomy, astrology …

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cambridge.org

https://dictionary.cambridge.org/us/dictionary/english/astronomy

Webthe scientific study of the universe and of objects that exist naturally in space, such as the moon, the sun, planets, and stars. Examples. Unlike astronomy, astrology …

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aas.org

https://aas.org/faq/what-exactly-astronomy

WebAstronomy is the study of everything outside of the earth's atmosphere and their chemical and physical properties. Astronomy is a physical science concerned with the smallest particles and the largest natural objects. The name Astronomy comes from the Greek roots Astr- and -nomia to literally mean "name stars".

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britannica.com

https://www.britannica.com/dictionary/astronomy

WebBritannica Dictionary definition of ASTRONOMY. [noncount] : the scientific study of stars, planets, and other objects in outer space.

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