News:

Here as a guest? Welcome! If you found a topic or discussion you like, we hope you'll register. Besides getting privileges to reply and start your own topics, you'll receive access to expanded content and entire boards unavailable to the general public. Sign up now! It's simple and fast.

Main Menu

Mystery of the Missing Sun Spots

Started by PPI Brian, July 06, 2009, 07:50:39 PM

Previous topic - Next topic

PPI Brian

The sun is in the pits of a century-class solar minimum, and sunspots have been puzzlingly scarce for more than two years. Now, for the first time, solar physicists might understand why.

http://science.nasa.gov/headlines/y2009/17jun_jetstream.htm

What a difference 48 hours can make. Only two days ago the sun was blank and calm, displaying the sort of unrelenting quiet we've come to expect from the deepest solar minimum in a century. Then, with startling rapidity, sunspot 1024 burst onto the scene:
http://spaceweather.com/images2009/06jul09/1024_anim.gif?PHPSESSID=luk5o4otnse5ra18d
7lcakv5m2

More info from Space Weather: http://spaceweather.com/
"Extraordinary claims require extraordinary evidence."--Carl Sagan

PPI Tim

There was a little black spot on the sun today....  8)
Sounds interesting...Go on.

PPI Brian

And tomorrow we get nailed by a CME. Stay indoors and wear sunscreen.  8)
"Extraordinary claims require extraordinary evidence."--Carl Sagan