Cold Dust

Discussion in 'Astronomy, Exobiology, & Cosmology' started by wet1, Sep 14, 2001.

  1. wet1 Wanderer Registered Senior Member

    Messages:
    8,616
    From APOD:

    Please Register or Log in to view the hidden image!


    Cold Dust in the Eagle Nebula
    Credit: ESA, ISO, ISOGAL Team
    Stars are born in M16's Eagle Nebula, a stellar nursery 7,000 light-years from Earth toward the constellation Serpens. The striking nebula's star forming pillars of gas and dust are familiar to astronomers from images at visible wavelengths, but this false-color picture shows off the nebula in infrared light. Data from ESA's Infrared Space Observatory satellite (ISO) was used to construct the detailed two color image, dominated by infrared emission from clouds of interstellar material at temperatures below -100 degrees Celsius. Blue colors highlight emission thought to indicate the presence of complex carbon molecules, known on planet Earth as PAHs, while red colors trace emission from cold, microscopic dust grains. Hot young stars are formed as this frigid material condenses under the influence of gravity. Once begun, the process takes only tens of thousands of years for truly massive stars and up to tens of millions of years for low mass stars like the Sun.
     
  2. Google AdSense Guest Advertisement



    to hide all adverts.
  3. 01001010 ... unique ... Registered Senior Member

    Messages:
    49
    thanx for the info.

    Please Register or Log in to view the hidden image!

     
  4. Google AdSense Guest Advertisement



    to hide all adverts.
  5. wet1 Wanderer Registered Senior Member

    Messages:
    8,616
    I might add that pahs are thought to be the precursors of life.
     
  6. Google AdSense Guest Advertisement



    to hide all adverts.
  7. %BlueSoulRobot% Copyright! Copyright!! Registered Senior Member

    Messages:
    2,294
    Neato

    That's a cool picture, where did u find it?

    If I didn't know any better, I'd say that nebula looked like a red eye veiled by smoke...kind of scary...*shiver*
     
  8. wet1 Wanderer Registered Senior Member

    Messages:
    8,616
    As stated in the post it is from APOD.
     

Share This Page