This is about the coolest app Ive seen so far. I never knew you could see a satellites or space junk fly overhead with just your naked eye. Ive made this somewhat of a hobby, on clear nights to go outside and see just how many satellites or space junk I can find. I think the neighbors think Im whacked at this point be I sit in the yard looking up at the night sky with smartphone in hand. Ive always been interested in science so this is just one more way of expanding that interest. To see a piece of space junk fly overhead moving at 2000 mph and 350 miles up just trips me out. The app gives you so much detail and information on what youre viewing and a detail cartoon picture of the object, makes it well worth the $5 spent.