Neptune. Something was perturbing Uranus' orbit, turns out it was the eighth planet, Neptune. Neptune was the first planet to have its existence and position calculated before it was discovered. Let's take a look at Neptune and its major moon Triton.Follow Cosmic Coffee Time on Twitter for some special content twitter.com/CosmicCoffTimeYou can request a topic for the show! Or even just say hi!We'd love to hear from you.Email it to cosmiccoffeetime@gmail.com