moon earth 可数吗

the earth是可数名词吗? The earth is ( ) the moon. Earth可数吗Earth 是地球的意思哦..地球是可数还是不可数呢..晕了. the moon is the ( )of the earth The moon ____(move) around the earth. The moon ____(move)round the earth. the earth is about_ the moon. The moon ____ round the Earth. Linda said the moon round the earth moon,earth,sun这些词加不加the the moon is near to the earth The moon is bigger than the earth.