•
•
•
•

Topic: nebula
Definition:

  • a medicinal liquid preparation intended for use in an atomizer cloudiness of the urine an immense cloud of gas (mainly hydrogen) and dust in interstellar space (pathology) a faint cloudy spot on the cornea

    Related tag cloud:

  • astronomy
  • galaxy
  • galaxies
  • stars
  • telescope
  • planets
  • astrophotography
  • moon
  • space
  • solar system
  • star
  • nebulae
  • telescopes
  • messier
  • hugo
  • comets
  • sf
  • jupiter
  • constellations
  • saturn
  • observatory
    • Resources:

    Students for the Exploration and the Development of Space
    Comprehensive overview with newsletters, forums, projects facts of a worldwide student space organization.
    http://www.seds.org

    Nebula Books
    Books, comics and magazines devoted to "the fantastic, the imaginative and the weird". It's located in Montreal, but has an online catalog and shopping cart.
    http://www.nebulabooks.com/

    National Optical Astronomy Observatories (NOAO)
    A national center for optical sky observations, which is operated by the Association of Universities for Research in Astronomy.
    http://www.noao.edu/