Let’s talk about this on Mars, whoops I mean Earth. You might be wondering “Why not Mars, it’s cool”. Well, when you talk on Mars, it is very different than on Earth. On Mars, it will be very cold so your teeth would be chattering. Because Mars’ thin atmosphere is mostly made up of carbon dioxide, sound does not travel well. In fact, someone speaking next to you on Mars would sound as quiet as if they were talking 60 meters away! There is a drastic difference between soundson Earth and the sound on Mars. Another reason for this difference is that sound waves move at different speeds on different planets