Pluto – On the Borderland of Sol – Pluto is a dwarf planet located at the outermost area of our solar system. Learn about this interesting and far observed planet that has gotten a lot of attention in the past several years. Learn about its own mini system of moons, its atmosphere and more. This presentation is given in an easy to understand format for most ages. So, come to Sperry Observatory for an interesting and informative evening. Talk to members of AAI who are always willing to share their knowledge of astronomy. And learn about our upcoming Astronomy Day being held on Saturday, May 17, 2025! Click on Events in Menu bar above. In the drop down click on Astronomy Day to get more information about the event!