Home / Dictionary / Astronomy

Astronomy Common

Origin: Greek suffix -nomy

Astronomy has 2 different meanings across 1 category:

Noun

Definitions
Noun
1

the branch of physics that studies celestial bodies and the universe as a whole

"My daughter has been fascinated by astronomy since she saw her first image of a distant galaxy in science class."

2

The study of the physical universe beyond the Earth's atmosphere, including the process of mapping locations and properties of the matter and radiation in the universe.

"After years of studying astronomy at university, she finally became fascinated by the intricate details of how astronomers map distant galaxies."

In plain English: Astronomy is the study of everything in space, including stars, planets, and galaxies.

"My son loves astronomy and spends his nights looking at stars through his telescope."

Usage: Astronomy is the scientific study of celestial objects like stars, planets, and galaxies, focusing on their composition and motion outside Earth's atmosphere. Do not confuse it with astrology, which involves predicting human events based on star positions rather than observing physical phenomena.

Example Sentences
"My son loves astronomy and spends his nights looking at stars through his telescope." noun
"My grandfather spends his evenings watching the stars in astronomy clubs across the country." noun
"She decided to study astronomy because she wanted to understand how the universe began." noun
"The new planetarium offers interactive displays that explain complex concepts of astronomy for children." noun
Related Terms
Broader Terms (hypernyms)
physics
Narrower Terms (hyponyms)
astrodynamics astrometry radio astronomy celestial mechanics astrophysics selenology solar physics

Origin

The word astronomy comes from the Old French term astronomie, which combines elements meaning "star" and "management." It replaced the earlier native English word for this field of study.

Rhyming Words
omy tomy romy homy momy nomy boomy roomy doomy stomy anomy atomy zoomy toomy sloomy dysomy eunomy ostomy disomy gloomy
Compare
Astronomy vs