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Definitions of nebula
  1. noun
    a medicinal liquid preparation intended for use in an atomizer
  2. noun
    an immense cloud of gas (mainly hydrogen) and dust in interstellar space
    type of:
  3. noun
    cloudiness of the urine
    type of:
  4. noun
    (pathology) a faint cloudy spot on the cornea
Definition that contains nebula
  • galaxy (astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust
  • mitchell United States astronomer who studied sunspots and nebulae (1818-1889)
  • hubble United States astronomer who discovered that (as the universe expands) the speed with which nebulae recede increases with their distance from the observer (1889-1953)
  • nebulous of or relating to or resembling a nebula
  • laplace French mathematician and astronomer who formulated the nebular hypothesis concerning the origins of the solar system and who developed the theory of probability (1749-1827)
  • pierre simon de laplace French mathematician and astronomer who formulated the nebular hypothesis concerning the origins of the solar system and who developed the theory of probability (1749-1827)
  • edwin hubble United States astronomer who discovered that (as the universe expands) the speed with which nebulae recede increases with their distance from the observer (1889-1953)
  • marquis de laplace French mathematician and astronomer who formulated the nebular hypothesis concerning the origins of the solar system and who developed the theory of probability (1749-1827)
  • edwin powell hubble United States astronomer who discovered that (as the universe expands) the speed with which nebulae recede increases with their distance from the observer (1889-1953)
  • planetary nebula a nebula that was once thought to be a star with its planets but is now thought to be a very hot star surrounded by an expanding envelope of ionized gases that emit a fluorescent glow because of intense radiation from the star
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