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geocorona

[jee-oh-kuh-roh-nuh]

noun

  1. a belt of ionized hydrogen surrounding the earth at the outer limit of the exosphere.

geocorona

  1. The halo of far-ultraviolet solar light that reflects off the Earth's exosphere.

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Other Word Forms

  • geocoronal adjective
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Word History and Origins

Origin of geocorona1

First recorded in 1955–60; geo- + corona
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Example Sentences

Examples have not been reviewed.

Carruthers also built a camera that, in 1972, was operated on the Moon by Apollo 16 astronauts, taking the first UV images of Earth’s geocorona.

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