For Teachers A Chance at Stardom Unit Stars and Galaxies (middle school) Astronomy Gravity Stars and Galaxies Posters & lesson plans  Stars & Galaxies - Free Presentations in PowerPoint format for K-12 Science  See Also: Constellations, Outer Space For Kids Games & Kids Sites  Resources Seyfert Galaxies (background) Free Clip Art Free Presentations in PowerPoint format for K-12 Science  Video Clips for Science    All Rights Reserved    Clip Art Credit: Phillip Martin Have a great year!