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Astronomy Definition & Meaning - Merriam-Webster
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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Astronomy | Definition, History, Discoveries, & Facts | Britannica
https://www.britannica.com/science/astronomy
WEBApr 16, 2024 · 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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Astronomy - Wikipedia
https://en.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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What is Astronomy? | AMNH
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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Astronomy: Everything you need to know | Space
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, … definition
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ASTRONOMY Definition & Meaning | 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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ASTRONOMY | English meaning - Cambridge Dictionary
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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ASTRONOMY | definition in the Cambridge English Dictionary
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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What exactly is astronomy? | American Astronomical Society
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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astronomy noun - Definition, pictures, pronunciation and usage …
https://www.oxfordlearnersdictionaries.com/definition/english/astronomy
WEBnoun. /əˈstrɒnəmi/ /əˈstrɑːnəmi/ [uncountable] the scientific study of the sun, moon, stars, planets, etc. Wordfinder. Topics Space b2. Oxford Collocations Dictionary. Word Origin. Want to learn more?
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