Solar Week - Ask a Question

During solar week you can post questions here for our scientists to answer.
   You do not need to register or sign in to post questions,
   just click on one of the forums below and click "Write a New Post".

   You may want to Meet the scientists who will be answering your questions.
   Check out our new blog and FAQs.
in

spots color

Last post 03-09-2006 1:36 PM by Dawn Myers. 1 replies.
Page 1 of 1 (2 items)
Sort Posts: Previous Next
  • 03-09-2006 11:52 AM

    spots color

    Dennis (BC)

     

    What give's a sunspot it's black color?

     

     

  • 03-09-2006 1:36 PM In reply to

    • Dawn Myers
    • Top 10 Contributor
    • Joined on 02-27-2005
    • Goddard Space Flight Center
    • Posts 58

    Re: spots color

    Hello Dennis

    A sunspot appears darker then the rest of the photosphere because it is cooler than the surrounding photosphere. The photosphere is 5800 Kelvin whereas a sunspot is only 3800 Kelvin.

    Dawn
Page 1 of 1 (2 items)

Theme design is SolarWeek by Igor Ruderman based on
Theme Mira 2007 by Chris Lotter.

Powered by Community Server (Commercial Edition), by Telligent Systems