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nebula    音标拼音: [n'ɛbjələ]
n. 星云,云翳

星云,云翳

nebula
n 1: a medicinal liquid preparation intended for use in an
atomizer
2: cloudiness of the urine
3: an immense cloud of gas (mainly hydrogen) and dust in
interstellar space
4: (pathology) a faint cloudy spot on the cornea

Nebula \Neb"u*la\ (n[e^]b"[-u]*l[.a]), n.; pl. {Nebulae}
(n[e^]b"[-u]*l[=e]). [L., mist, cloud; akin to Gr. nefe`lh,
ne`fos, cloud, mist, G. nebel mist, OHG. nebul, D. nevel,
Skr. nabhas cloud, mist. Cf. {Nebule}.]
1. (Astron.) A faint, cloudlike, self-luminous mass of matter
situated beyond the solar system among the stars. The term
was originally applied to any diffuse luminous region.
Now, technically, it is applied to interstellar clouds of
dust and gases ({diffuse nebula}). However distant
galaxies and very distant star clusters often appear like
them in the telescope, such as the {spiral nebula} in
Andromeda, known now to be a distant galaxy.
[1913 Webster PJC]

2. (Med.)
(a) A white spot or a slight opacity of the cornea.
(b) A cloudy appearance in the urine. [Obs.]
[1913 Webster]

19 Moby Thesaurus words for "nebula":
Black Magellanic Cloud, Crab Nebula, Gegenschein,
bright diffuse nebula, coalsack, counterglow, dark cloud,
dark nebula, diffuse nebula, dust cloud, gaseous nebula,
nebula of Lyra, nebular hypothesis, nebulosity, nebulous stars,
planetary nebula, ring nebula, the Coalsack, zodiacal light


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  • Nebula - Wikipedia
    Nebulae are often star-forming regions, such as the Pillars of Creation in the Eagle Nebula In these regions, the formations of gas, dust, and other materials "clump" together to form denser regions, which attract further matter and eventually become dense enough to form stars
  • Nebula
    Creator-owned and operated Nebula’s ownership model empowers creators to sustain their work financially and encourages innovation and creativity, without the constraints imposed by profit-driven external stakeholders
  • What Is a Nebula? | NASA Space Place – NASA Science for Kids
    A nebula is a giant cloud of dust and gas in space Some nebulae (more than one nebula) come from the gas and dust thrown out by the explosion of a dying star, such as a supernova
  • Sign in | Nebula
    Nebula is smart, thoughtful videos, podcasts, and classes from your favorite creators
  • Nebula | Psychic Reading Online - Find Your Psychic Reader
    Nebula is a spiritual guidance space offering personalized tools to support self-discovery and spiritual well-being Whenever life feels uncertain, our psychics are here to provide clarity, insight, and genuine connection
  • Nebula | Definition, Types, Size, Facts | Britannica
    Nebula, any of the various tenuous clouds of gas and dust that occur in interstellar space The term was formerly applied to any object outside the solar system that had a diffuse appearance rather than a pointlike image, as in the case of a star
  • What is a Nebula? Nebula: Definition, Location and Variants | Space
    Nebula is Latin for "mist, vapor, fog, smoke, exhalation," but in an astronomical context, it refers to any celestial object that appears cloud-like when viewed through a telescope
  • Nebula (streaming service) - Wikipedia
    Subscription required to access entire library Nebula is a video-on-demand streaming service provider
  • Hubble’s Nebulae - NASA Science
    These ethereal veils of gas and dust tell the story of star birth and death The space between stars is dotted with twisting towers studded with stars, unblinking eyes, ethereal ribbons, and floating bubbles
  • What Is A Nebula? A Beginner’s Guide - AstronomyShack
    Discover what a nebula is, how nebulae form, the different types of nebulae, and how you can observe famous nebulae in the night sky A beginner's guide for amateur astronomers





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