Some 5 billion years ago, our Sun turned on. It had a violent youth, but now it's settled down into middle age.

http://oposite.stsci.edu/pubinfo/PR/1999/20/
This image from the Hubble Space Telescope shows images of stars in different stages of their life cycle in a single image.

http://imagine.gsfc.nasa.gov/docs/teachers/lifecycles/LC_main_p1.html
An explanation of the Life Cycle of Stars for grades 9-12.

http://www.fourmilab.ch/yoursky/
Your Sky - enter your latitude and longitude and you can create a current sky map for your location.