It's a well-known rule that the higher you go on Earth, the colder it gets. But there are a few people who haven't quite grasped why this is the case, with some asking why it is that the tops of mountains are colder when hot air rises and others asking why the tops of mountains are snowy when they are closer to the Sun than the ground is. First off, it may be instinctive to … [Read more...] about Why Is It Colder At Higher Altitudes, Despite Being Closer To The Sun?