Halley's Comet comes around once every 76 years. You might have missed its last visit in 1986, but it'll be back in around 40 years...What is a comet? Why do a lot of people really only know about Halley's? and how did we learn a whole lot more about another comet a few years ago. Who remembers the gutsy little comet lander called Philae?Get comfy, grab a coffee in your favourite reusable cup, and check it out.Follow Cosmic Coffee Time on Twitter for some special content twitter.com/CosmicCoffTime You can request a topic for the show! Email it to cosmiccoffeetime@gmail.com