If you like taking virtual tours through the solar system, then check out the new program “Eyes on the Solar System” from the Jet Propulsion Laboratory. Similar in concept as apps for iPhone and iPad, this one is for desktop computers, both PC and Mac, featuring 3-D renditions of the planets, moons, etc. There is a video tutorial to help you if you need it, and then you can be on your way. You need to download the plugin, then use the interface on the website itself. Multiple controls for destinations, date and time, speed, visual controls, multimedia and more.