论文部分内容阅读
从地球仪上看,南极位于底部.那么为什么站在南极洲的人们,并不会感觉到自己是颠倒的呢?rnWhy don't people in Antarctica(南极洲)feel upsidedown?rnWhen you look at a globe, it may seem as if north is “up” and south is “down.” But no matter where you go on Earth's surface, “down” is toward the center of the planet.Gravity is always pulling your whole body and everything around you in the direction of Earth's core.