astronomer

American  

[uh-stron-uh-mer] / əˈstrɒn ə mər /

noun

1. an expert in astronomy; a scientific observer of the celestial bodies.

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Etymology

Origin of astronomer

First recorded in 1325–75; Middle English; astronomy, -er ¹

Example Sentences

For many years, astronomers have believed that stellar winds from red giant stars are powered when starlight pushes against newly formed dust grains.

From Science Daily

The vast list of subject-area experts Mercor seeks includes astronomers, psychologists, industrial engineers, filmmakers, creative writers, comedians, legal experts, investment bankers and venture capitalists.

From The Wall Street Journal

Yet astronomers have now identified evidence of two enormous collisions around a nearby star named Fomalhaut, all within just 20 years.

From Science Daily

A team of astronomers from several countries, led by researchers in Canada, has identified a galaxy cluster that appears far earlier and far hotter than current science predicts.

From Science Daily

Because of this remarkable regularity, astronomers can use powerful radio telescopes to measure the exact arrival times of these pulses and search for subtle patterns linked to phenomena such as low-frequency gravitational waves.

From Science Daily

Related Words

• astrophysicist
• cosmologist