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View synonyms for astronomy

astronomy

[ uh-stron-uh-mee ]

noun

  1. the science that deals with the material universe beyond the earth's atmosphere.


astronomy

/ əˈstrɒnəmɪ /

noun

  1. the scientific study of the individual celestial bodies (excluding the earth) and of the universe as a whole. Its various branches include astrometry, astrodynamics, cosmology, and astrophysics
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


astronomy

/ ə-strŏnə-mē /

  1. The scientific study of the universe and the objects in it, including stars, planets, nebulae, and galaxies. Astronomy 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.


astronomy

  1. The science that deals with the universe beyond the Earth . It describes the nature, position, and motion of the stars , planets , and other objects in the skies, and their relation to the Earth.


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Word History and Origins

Origin of astronomy1

First recorded in 1175–1225; Middle English astronomie, from Anglo-French, from Latin astronomia, from Greek; equivalent to astro- + -nomy
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Word History and Origins

Origin of astronomy1

C13: from Old French astronomie, from Latin astronomia, from Greek; see astro- , -nomy
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Example Sentences

The board had just sworn in its newest members, including an astronomy professor from the University of California, Los Angeles, named Ben Zuckerman.

From Salon

She said that she was delighted to hear about the new results, which have been published in the Journal Nature Astronomy.

From BBC

“I was taking classes in astronomy and anthropology,” she says.

“It was so obvious that the number of satellite trails is just way way up since I started doing astronomy,” he said.

Astronomy aficionados are already swapping tips on the best way to take in everything.

From Salon

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astronomical yearastrophile