一、作者要说的话
1、Sometimes, children can make a thing easier than it looks and what they say may make elders speechless.
2、One midsummer night, my five-years-old son and I were enjoying the cool breeze in the yard.
二、复杂的科学
3、Seeing him staring at the stars in the sky, I decided to give him a science lesson.
4、I told him that the stars we see are not really where we think they are.
5、He asked me why not.
6、I explained to him that the stars are very far from us and it takes many years for its beams of light to reach the earth.
7、By the time the light reaches the earth, they have been away from the place for lots of years.
8、What we see is what they were a long long time ago.
9、People on the earth have to wait for years to see where the stars are today.
三、孩子简单的比喻
10、"I see," he said calmly. "We can only see the stars' footprints."