This solar monitor indicates the current solar status and its affect on the earth's geomagnetic field. 

Solar X-rays: Geomagnetic Field:

From n3kl.org

Other interesting links:

www.SpaceWeather.com

National Space Environment Center: sec.noaa.gov

Solar and Heliospheric Observatory satellite: SOHO home page.

Astronomy Picture of the Day: antwrp.gsfc.nasa.gov/apod

SOHO time-lapse image of a twisted solar flare.
Takes a moment or two to load, but worth it!

Hubble image of a nebula.