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Definitions

astronomer

[uh-stron-uh-mer] / əˈstrɒn ə mər /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In the 1890s, long-simmering dreams of an inhabited Mars found a foothold in the U.S., fanned by wealthy astronomer Percival Lowell, who built an Arizona observatory.

From The Wall Street Journal • Apr. 23, 2026

The astronomer who discovered what stars are made of, Cecilia Payne-Gaposchkin, has been commemorated with an English Heritage blue plaque at her teenage home, 70 Lansdowne Road in Notting Hill.

From BBC • Apr. 22, 2026

Coined in the 1960s by a Soviet astronomer, the futurist term refers to a civilization able to use all of the energy from its home system's star.

From Barron's • Apr. 21, 2026

If you’re an astronomer, it’s people confusing what you do with astrology.

From Salon • Apr. 14, 2026

But he was an expert horseman, a self- taught violinist, and an amateur geologist, astronomer, and natural historian.

From "1491" by Charles C. Mann




Vocabulary lists containing astronomer