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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
    Nebula is the home of exclusive originals, bonus material, and early releases from the best independent creators For just $60 year, a Nebula subscription includes: No need to skip what isn’t there Original productions and bonus material Access your favorites easily at all times on mobile devices
  • Nebula - Wikipedia
    A nebula (Latin for 'cloud, fog'; [1] pl nebulae or nebulas) [2][3][4][5] is a distinct luminescent part of interstellar medium, which can consist of ionized, neutral, or molecular hydrogen and also cosmic dust Nebulae are often star-forming regions, such as in the Pillars of Creation in the Eagle Nebula
  • 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 Other nebulae are regions where new stars are beginning to form
  • NEBULA Definition Meaning - Merriam-Webster
    The meaning of NEBULA is any of numerous clouds of gas or dust in interstellar space Did you know?
  • 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
  • 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 – Definition, Examples, Types, Facts - Science Notes and Projects
    From Earth, some nebulae are visible with the naked eye, while others are only seen with the help of powerful telescopes What Is a Nebula? A nebula is a giant cloud of gas and dust in space Nebulae can serve as stellar nurseries where new stars are born or as the remnants of stars that have exploded as supernovae
  • What is a Nebula? Each Type Example Photos - AstroBackyard
    A nebula is a cloud of gas and dust in outer space They offer appear in the night sky as a bright patch that can be revealed in detail through astrophotography
  • Nebula: Definition, Facts, Examples, Types, Difference
    Nebulae are vast interstellar clouds of gas and dust spanning tens of light-years in space These cosmic structures consist primarily of hydrogen and helium, with traces of heavier elements and dust particles Nebulae play a crucial role as stellar nurseries, forming new stars through gravitational collapse of dense regions
  • What Are Nebulae And How Are They Formed? - Astronomy Trek
    A nebula forms when mostly hydrogen and helium atoms clump together to create huge gaseous cloud They're often named after animals, birds, insects





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