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Definitions

astronomer

[uh-stron-uh-mer] / əˈstrɒn ə mər /


Example Sentences

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Two new studies, including one led by a Yale astronomer, suggest that Rubin could play a major role in finding these missing objects and completing the picture of our galaxy's surroundings.

From Science Daily ● Nov. 7, 2026

For comparison, it’s estimated that SpaceX has roughly 11,100 working Starlink satellites, according to data from the astronomer Jonathan McDowell.

From MarketWatch ● Sep. 20, 2026

Dr Greg Brown, astronomer at the Royal Observatory Greenwich, said the entries from the 18th year of the competition demonstrated "skill and innovation" coupled with improvements in technology.

From BBC ● Sep. 18, 2026

Among the higher-profile entries are “Pete Townshend: Behind Blue Eyes,” a portrait of the Who guitarist and songwriter, and Nanette Burstein’s “Carl Sagan: We Are Made of Star Stuff,” about the astronomer and science communicator.

From Los Angeles Times ● Sep. 3, 2026

In Peking, in the 1670s, Ferdinand Verbiest, a Jesuit astronomer, was able to build instruments based on his designs without ever having seen Brahe’s originals.

From "The Invention of Science" by David Wootton

For decades, astronomers have searched for direct evidence of dark matter and dark energy.

From Science Daily ● Nov. 11, 2026

By studying this distant dead star and its unusual double rings, astronomers are gaining a rare opportunity to investigate what remains after a planetary system experiences such a violent transformation.

From Science Daily ● Nov. 6, 2026

The instrument analyzes light across a broad range of wavelengths, allowing astronomers to examine the chemical makeup and motion of material surrounding distant objects.

From Science Daily ● Nov. 6, 2026

Because their peak brightness can be standardized, astronomers use them as cosmic reference points, often called standardizable candles.

From Science Daily ● Nov. 6, 2026

In late 1997 astronomers announced that they had used these supernovas to measure the distance to some very dim and ancient galaxies.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife


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