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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.

Despite its brightness, it has raised questions since 1866, when Italian astronomer Angelo Secchi noticed something unusual in its light.

From Science Daily • May 1, 2026

“There’s really no one signature that can indicate life,” says Lisa Kaltenegger, an astronomer at Cornell University.

From The Wall Street Journal • Apr. 23, 2026

Roman, which took more than $4 billion and over a decade to build, is named after astronomer Nancy Grace Roman, nicknamed the "Mother of Hubble" for her role in developing the landmark space telescope.

From Barron's • Apr. 22, 2026

Among them was astronomer and astrophysicist Ernst Öpik.

From BBC • Apr. 20, 2026

Then, for the fourth time since the broadcast began, the news announcer interrupts with a special bulletin: An astronomer at McGill University in Canada has just seen three more explosions on Mars.

From "Spooked!" by Gail Jarrow




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