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Definitions

asteroid

[as-tuh-roid] / ˈæs təˌrɔɪd /


NOUN
satellite
Synonyms


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.

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"I started wondering how to scale up the calculation to more accurately predict deflection of a full-scale asteroid."

From Science Daily ● Nov. 8, 2026

The new simulation tools could eventually help mission planners identify the most effective way to deflect a threatening asteroid.

From Science Daily ● Nov. 8, 2026

The result is the most detailed simulation of asteroid deflection produced so far.

From Science Daily ● Nov. 8, 2026

The new computer model allows researchers to reconstruct an asteroid using detailed 3D images captured during spacecraft flybys.

From Science Daily ● Nov. 8, 2026

By the early 1900s, it had often become impossible to know whether an asteroid that popped into view was new or simply one that had been noted earlier and then lost track of.

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

Although this simplifies the mathematics, it overlooks the irregular shapes of real asteroids, which can have ridges, depressions, and uneven surfaces.

From Science Daily ● Nov. 8, 2026

Together, these measurements should help scientists better understand how asteroids respond to high-speed impacts and improve predictions of how future deflection attempts might work.

From Science Daily ● Nov. 3, 2026

The brand-new Vera C. Rubin Observatory is supposed to complete a groundbreaking “survey” of the universe, the most comprehensive catalog of its galaxies, asteroids, supernovas and black holes ever completed.

From The Wall Street Journal ● Nov. 2, 2026

Nežič, who works at the planetarium as a tours and outreach officer, said he thought it was "so cool" when he learned that asteroids can be named after people.

From BBC ● Nov. 1, 2026

Finding asteroids became a popular activity in the 1800s, and by the end of the century about a thousand were known.

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


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