nucleus of planetary nebula
1nebula — nebular, adj. /neb yeuh leuh/, n., pl. nebulae / lee , luy /, nebulas. 1. Astron. a. Also called diffuse nebula. a cloud of interstellar gas and dust. Cf. dark nebula, emission nebula, reflection nebula …
2Stingray Nebula — Planetary nebula caption=Hubble Space Telescope photograph of the nebula name = Stingray Nebula type = epoch = J2000 ra = RA|17|16|21.071Harvnb|SIMBAD|2007] dec = DEC| 59|29|23.64 dist ly = 18 kly (5.6 kpc)Harvnb|Parthasarathy|2000] appmag v = 10 …
3Ring Nebula — For the Ring Nebula in Barnard s Galaxy, see Ring Nebula (NGC 6822). The Ring Nebula M57, The Ring Nebula. Credit: NASA/STScI/AURA …
4Cat's Eye Nebula — Composite image using optical images from the HST and X ray data from the Chandra X ray Observatory Observation data …
5Helix Nebula — For the different but similarly named nebula, see Double Helix Nebula. Eye of God redirects here. For other uses, see Eye of God (disambiguation). Helix Nebula Infrared image of the Helix Nebula, taken by the Spitzer space telescope, 2007 …
6Little Dumbbell Nebula — Observation data (Epoch J2000.0) Right ascension 01h 42.4m …
7List of astronomy acronyms — This is a compilation of acronyms commonly used in astronomy. Most of the acronyms are drawn from professional astronomy and are used quite frequently in scientific publications. However, a few of these acronyms are frequently used by the general …
8star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …
9galaxy — /gal euhk see/, n., pl. galaxies. 1. Astron. a. a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space. b. (usually cap.) See Milky Way. 2. any large and brilliant or impressive… …
10Milky Way Galaxy — Large spiral galaxy (roughly 150,000 light years in diameter) that contains Earth s solar system. It includes the multitude of stars whose light is seen as the Milky Way, the irregular luminous band that encircles the sky defining the plane of… …
