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1. Circumstella devexa: Circumstella devexa is a species of sea snail, a marine gastropod mollusk in the family Liotiidae. (Original description by Charles Hedley) The height of the shell attains 3.3 mm. (Biology) [100%] 2025-03-08 [Circumstella]

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1. Circumstellar dust: Circumstellar dust is cosmic dust around a star. It can be in the form of a spherical shell or a disc, e.g. [90%] 2022-07-08 [Stellar astronomy] [Circumstellar disks]...
2. Circumstellar disc: A circumstellar disc (or circumstellar disk) is a torus, pancake or ring-shaped accretion disk of matter composed of gas, dust, planetesimals, asteroids, or collision fragments in orbit around a star. Around the youngest stars, they are the reservoirs of ... (Accumulation of matter around a star) [90%] 2023-12-08 [Circumstellar disks] [Nebulae]...
3. Circumstellar envelope: A circumstellar envelope (CSE) is a part of a star that has a roughly spherical shape and is not gravitationally bound to the star core. Usually circumstellar envelopes are formed from the dense stellar wind, or they are present before ... (Astronomy) [90%] 2023-11-01 [Stellar evolution]
4. Circumstellar disc: A circumstellar disc (or circumstellar disk) is a torus, pancake or ring-shaped accretion disk of matter composed of gas, dust, planetesimals, asteroids, or collision fragments in orbit around a star. Around the youngest stars, they are the reservoirs of ... (Astronomy) [90%] 2024-01-05 [Circumstellar disks] [Nebulae]...
5. Circumstellar dust: Circumstellar dust is cosmic dust around a star. It can be in the form of a spherical shell or a disc, e.g. (Astronomy) [90%] 2023-07-28 [Stellar astronomy] [Circumstellar disks]...
6. Circumstellar habitable zone: In astronomy and astrobiology, the circumstellar habitable zone (CHZ), or simply the habitable zone, is the range of orbits around a star within which a planetary surface can support liquid water given sufficient atmospheric pressure. The bounds of the CHZ ... (Astronomy) [74%] 2023-12-31 [Search for extraterrestrial intelligence] [Astronomical hypotheses]...