Circumstellar
[sir-kəm-STELL-ər]
Part of speech: adjective
Origin: English, 20th century
1.
That surrounds, or revolves around a star.
Examples of Circumstellar in a sentence
"In astronomy, the area around a star that can support liquid — and therefore life — is called the circumstellar habitable zone."
"The sun is a yellow dwarf star, and the Earth is in circumstellar orbit around it."
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