cometary nebula

cometary nebula

(kom -ĕ-tair-ee) A fan-shaped reflection nebula whose illuminating star lies at the vertex of the fan. Hubble's variable nebula is an example.

cometary nebula

[′käm·ə‚ter·ē ′neb·yə·lə]
(astronomy)
A fan-shaped reflection nebula that resembles a comet in appearance.
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References in periodicals archive ?
It has since been identified as the prototypical cometary nebula, a class of fan-shaped reflection nebulae that are often associated with T Tauri stars (very young, variable, low-mass stars often in binary systems; some have circumstellar disks and are likely progenitors of planetary systems).
This tiny cometary nebula is located southwest of M78 about 13' from the brightest part of the nebula and just 5' south of NGC 2064.
0 Cederblad 59 Cometary nebula -- NGC 2022 Planetary nebula 11.