astronomer
noun
an expert in astronomy; a scientific observer of the celestial bodies.
astronomers
-
pluralof astronomer.plural
The grammatical form denoting more than one person, place, thing, or idea.
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.
As astronomers find and examine more interstellar objects, each one offers another opportunity to compare our solar system with planetary systems elsewhere in the galaxy.
From Science Daily ● Sep. 9, 2026
By measuring that shift, astronomers can study hydrogen from different eras in cosmic history.
From Science Daily ● Sep. 9, 2026
ALMA's high resolution for imaging also allowed astronomers to track how different molecules are released and travel away from the comet.
From Science Daily ● Sep. 9, 2026
For more than 25 years, astronomers have relied on these exploding stars to track how the universe has expanded over time.
From Science Daily ● Sep. 9, 2026
These same principles led astronomers to take a new interest in measuring distances in order to establish exactly where certain objects—new stars—were in the heavens.
From "The Invention of Science" by David Wootton
