Didn't know where to put this, so it goes here!
Google Earth now has an add-on called Google Sky. See the stars, planets, moon phases-all from a location you enter. Want to see the stars from your back yard, the Grand Canyon, or Aunt Betty's apartment in Winnipeg? just enter that location for that day and time!
http://news.bbc.co.uk/2/hi/technology/6955787.stm
http://earth.google.com/sky/skyedu.html