There's a lot about Mars that is very Earth-like, from the length of a day to the kinds of seasons it has. Being a neighbouring planet, it's no surprise that we talk about sending astronauts to Mars. While we're waiting, let's take a look at some of the super cool spacecraft that have already been to Mars.Follow Cosmic Coffee Time on Twitter for some special content twitter.com/CosmicCoffTimeYou can request a topic for the show!Email it to cosmiccoffeetime@gmail.com