From space the earth looks like a water planet.为什么不倒装

表示运动方向的副词或地点状语置于句首,谓语表示运动的动词.谓语动词常用be, come, go, lie, run jump等.
Out rushed a missile from under the bomber.
Ahead sat an old woman.
Down from the wall jumped a man.
或Down jumped a man from the wall.