circumstellar

[sur-kuhm-stel-er]

adjective

1. surrounding a star.

Word History and Origins

Origin of circumstellar¹

First recorded in 1950–55; circum- + stellar

Example Sentences

Those early findings transformed research efforts focused on understanding gas dispersal from circumstellar disks.

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The dust in the circumstellar material is too cool to be detected directly at near-infrared wavelengths, but lights up in the mid-infrared.

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Teams of astronomers were able to detect that circumstellar material for 2023ixf as the supernova expanded outward and crashed into it, producing a discernible shockwave.

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Since V883 Orionis' circumstellar disk is hot enough that the water in it has turned into gas, astronomers saw an opportunity to study it to help understand the evolution of water in solar systems.

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Gas and dust orbits certain stars in so-called circumstellar disks.

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