First some context. Our Sun is one of 200 billion stars in the Milky Way galaxy. And there are over 200 billion galaxies in the known Universe. |
http://www.lmsal.com/YPOP/Classroom/Lessons/Filters/ |
http://sohowww.nascom.nasa.gov/data/latestimages.html |
http://www.lmsal.com/YPOP/ProjectionRoom/latest.html |