oceans

An illustration of planet Earth is shown where the Earth is tan and has no water shown on its surface. In the foreground are several small blue spheres showing how much water is known to reside on our planet. Please see the explanation for more detailed information.
这张地球插图呈现的是棕褐色，表面没有水。前景中有几个蓝色小球，显示了地球上已知的水含量。有关更多详细信息，请参阅说明。