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Definitions from WordNet

Definitions from the Web

Micrometeorite

Description:

A micrometeorite is a tiny particle of space debris that enters the Earth's atmosphere from outer space. These particles are often no larger than a grain of sand but can originate from comets, asteroids, or other celestial bodies. Micrometeorites can have various compositions and are studied to gain insights into the formation and evolution of the solar system.

Sample Sentences:

1. Scientists collect micrometeorites in Antarctica to study their composition.
2. During meteor showers, the Earth encounters a higher number of micrometeorites.
3. The high-speed impact of micrometeorites can cause damage to satellites and spacecraft.
4. In a laboratory, researchers use microscopes to analyze the physical characteristics of micrometeorites.
5. Many micrometeorites burn up in Earth's atmosphere before reaching the surface.

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