noun
Aeronomer is a noun referring to a scientist who studies the physics and chemistry of the Earth's upper atmosphere, including the ionosphere and exosphere.
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An aeronomer is a scientist who studies the upper atmosphere of a planet.
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My friend is an aeronomer and she loves researching the Earth's ionosphere.
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I heard that aeronomers have a cool job studying the atmosphere.
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Being an aeronomer is like being a detective of the skies, uncovering the mysteries of the upper atmosphere.