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Definitions

astronomer

[uh-stron-uh-mer] / əˈstrɒn ə mər /


Example Sentences

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Researchers say the famous comet known as Halley's Comet may have been identified as a repeating object centuries before British astronomer Edmond Halley gave it his name.

From Science Daily May 13, 2026

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

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

One of her key contacts was F. J. M. Stratton, a famous English astronomer, so short and round and jolly that he reminded people of Santa Claus.

From "The Woman All Spies Fear" by Amy Butler Greenfield

The discovery encouraged astronomers to expand their searches beyond galactic cores.

From Science Daily Jul. 28, 2026

Because Jupiter and Saturn are both gas giants, astronomers have struggled to explain why their major moons developed so differently.

From Science Daily Jul. 27, 2026

The cut comes at a time when other countries are investing in their own national observatories to prepare for, what many astronomers believe will be, the dawn of a golden age in radio astronomy.

From BBC Jul. 27, 2026

But another important role of Jodrell Bank Observatory is training UK astronomers in the science of radio astronomy.

From BBC Jul. 27, 2026

We now know that Cepheids throb as they do because they are elderly stars that have moved past their "main sequence phase," in the parlance of astronomers, and become red giants.

From "A Short History of Nearly Everything" by Bill Bryson




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