English Reference

Word

astronomer

Phoneticsas·tronomer

US/əˈstɹɑnəmɝ/

UK/ɐstɹˈɒnəmɐ/

Definition

n. a scientist who studies the stars, planets, and other objects in space. They often use telescopes to watch how things move in the sky.

n. a scientist who observes and studies celestial bodies and phenomena. Refers to professionals or serious amateurs engaged in the physical study of the universe beyond Earth.

Examples

“The astronomer looks at the stars through a large telescope.”

“After years of observation, the astronomer discovered a new planet orbiting a distant star in our galaxy.”

“While early astronomers relied on simple visual observations, modern researchers use sophisticated satellite data and radio telescopes to map the furthest reaches of the observable universe.”

Examples

simple

“The astronomer looks at the stars through a large telescope.”

contextual

“After years of observation, the astronomer discovered a new planet orbiting a distant star in our galaxy.”

complex

“While early astronomers relied on simple visual observations, modern researchers use sophisticated satellite data and radio telescopes to map the furthest reaches of the observable universe.”

Usage

Often paired with 'amateur' or 'professional' to distinguish between hobbyists and career scientists.

Pitfall

The astronomer told me I am a Leo.

The astrologer told me I am a Leo.

Learners often confuse 'astronomer' (a scientist) with 'astrologer' (someone who uses stars to predict the future).

Etymology

From Middle English astronomer, equivalent to astronomy + -er.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Collocations

astronomers to observe

Word family

astronomerNounastronomyNoun

Domain

Astronomy

This entry

Level
B1 · Intermediate
Frequency
Occasional
Updated

Scan code

englishreference.com/q/astronomer

English Reference