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- Astronomer - meaning & definition
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/əˈstrɒn.ə.mər/
Meaning & Definition
noun
A scientist who studies celestial bodies, including planets, stars, and galaxies, and the universe as a whole.
The astronomer discovered a new exoplanet in a distant solar system.
An expert in astronomy, who may work in research, teaching, or observation.
The astronomer lectured about the formation of the universe at the local planetarium.
A person who enjoys observing celestial phenomena, often as a hobby.
As an amateur astronomer, she spent her weekends stargazing and photographing the night sky.
Someone involved in the collection and analysis of astronomical data.
The astronomer presented her findings on the cosmic microwave background radiation at the conference.
Etymology
From the Greek 'astron' meaning 'star' and 'nomos' meaning 'law'.
Common Phrases and Expressions
amateur astronomer
A non-professional who enjoys observing celestial objects.
professional astronomer
An astronomer who is employed in the field to conduct research.
observational astronomy
A branch of astronomy that deals with the observation of celestial bodies.
Related Words
astrophysics
The branch of astronomy concerned with the physical nature of celestial bodies.
celestial
Pertaining to the sky or outer space.
cosmology
The science of the origin and development of the universe.
Slang Meanings
Star nerd
He's such a star nerd; he knows every constellation by heart.
Skywatcher
On clear nights, she turns into a skywatcher, searching for shooting stars.