geocorona

[jee-oh-kuh-roh-nuh]

noun

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

Origin of geocorona

First recorded in 1955–60; geo- + corona
Related formsge·o·co·ro·nal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

geocorona in Science

geocorona

[jē′ō-kə-rōnə]

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